1.

M.L. Buzano, Generalizzazione della disiguaglianza di Cauchy-Schwaz(Italian), Rend. Sem. Mat. Univ. e Politech. Torino, 31 (1971/73), 405-409 (1974). MR344857M.L. Buzano, Generalizzazione della disiguaglianza di Cauchy-Schwaz(Italian), Rend. Sem. Mat. Univ. e Politech. Torino, 31 (1971/73), 405-409 (1974). MR344857

2.

S.S. Dragomir, Some refinements of Schwarz inequality, Simposional de Matematică şi Aplicaţii, Polytechnical Institute Timişoara, Romania, 1-2 Nov., 1985, 13-16. ZBL 0594:46018.S.S. Dragomir, Some refinements of Schwarz inequality, Simposional de Matematică şi Aplicaţii, Polytechnical Institute Timişoara, Romania, 1-2 Nov., 1985, 13-16. ZBL 0594:46018.

3.

S.S. Dragomir, Some Grüss type inequalities in inner product spaces, J. Ineq. Pure & Appl. Math., 4(2) (2003), Art. 42. [ONLINE http://jipam.vu.edu.au/article.php?sid=280]. MR1994255S.S. Dragomir, Some Grüss type inequalities in inner product spaces, J. Ineq. Pure & Appl. Math., 4(2) (2003), Art. 42. [ONLINE http://jipam.vu.edu.au/article.php?sid=280]. MR1994255

4.

S.S. Dragomir, A potpourri of Schwarz related inequalities in inner product spaces (I), J. Ineq. Pure & Appl. Math., 6% (3) (2005), Art. 59. [ONLINE http://jipam.vu.edu.au/article.php?sid=532]. MR2164300S.S. Dragomir, A potpourri of Schwarz related inequalities in inner product spaces (I), J. Ineq. Pure & Appl. Math., 6% (3) (2005), Art. 59. [ONLINE http://jipam.vu.edu.au/article.php?sid=532]. MR2164300

5.

S.S. Dragomir, A potpourri of Schwarz related inequalities in inner product spaces (II), J. Ineq. Pure & Appl. Math.,7 (1) (2006), Art. 14. [ONLINE http://jipam.vu.edu.au/article.php?sid=619]. MR2217177S.S. Dragomir, A potpourri of Schwarz related inequalities in inner product spaces (II), J. Ineq. Pure & Appl. Math.,7 (1) (2006), Art. 14. [ONLINE http://jipam.vu.edu.au/article.php?sid=619]. MR2217177

6.

S.S. Dragomir, Reverse inequalities for the numerical radius of linear operators in Hilbert spaces, Bull. Austral. Math. Soc., 73 (2006), 255-262. Preprint available on line at RGMIA Res. Rep. Coll. 8(2005), Supplement, Article 9, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2217944 10.1017/S0004972700038831 1106.47007S.S. Dragomir, Reverse inequalities for the numerical radius of linear operators in Hilbert spaces, Bull. Austral. Math. Soc., 73 (2006), 255-262. Preprint available on line at RGMIA Res. Rep. Coll. 8(2005), Supplement, Article 9, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2217944 10.1017/S0004972700038831 1106.47007

7.

S.S. Dragomir, Inequalities for the norm and the numerical radius of linear operators in Hilbert spaces, Demonstratio Mathematica (Poland), XL (2007), No. 2, 411-417. Preprint available on line at RGMIA Res. Rep. Coll.8(2005), Supplement, Article 10, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2332029S.S. Dragomir, Inequalities for the norm and the numerical radius of linear operators in Hilbert spaces, Demonstratio Mathematica (Poland), XL (2007), No. 2, 411-417. Preprint available on line at RGMIA Res. Rep. Coll.8(2005), Supplement, Article 10, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2332029

8.

S.S. Dragomir, Inequalities for the norm and numerical radius of composite operators in Hilbert spaces, Preprint available on line at RGMIA Res. Rep. Coll. 8 (2005), Supplement, Article 11, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2758975 10.1007/978-3-7643-8773-0_13S.S. Dragomir, Inequalities for the norm and numerical radius of composite operators in Hilbert spaces, Preprint available on line at RGMIA Res. Rep. Coll. 8 (2005), Supplement, Article 11, [ONLINE http://rgmia.vu.edu.au/v8(E).html ]. MR2758975 10.1007/978-3-7643-8773-0_13

9.

S.S. Dragomir and J. Sándor, Some inequalities in prehilbertian spaces, Studia Univ. "Babeş% -Bolyai" - Mathematica, 32(1) (1987), 71-78. MR947107S.S. Dragomir and J. Sándor, Some inequalities in prehilbertian spaces, Studia Univ. "Babeş% -Bolyai" - Mathematica, 32(1) (1987), 71-78. MR947107

10.

A. Goldstein, J.V. Ryff and L.E. Clarke, Problem 5473, Amer. Math. Monthly, 75(3) (1968), 309. MR1534789 10.2307/2314992A. Goldstein, J.V. Ryff and L.E. Clarke, Problem 5473, Amer. Math. Monthly, 75(3) (1968), 309. MR1534789 10.2307/2314992

11.

K.E. Gustafson and D.K.M. Rao, Numerical Range, Springer-Verlag, New York, Inc., 1997. MR1417493K.E. Gustafson and D.K.M. Rao, Numerical Range, Springer-Verlag, New York, Inc., 1997. MR1417493

12.

P.R. Halmos, Introduction to Hilbert Space and the Theory of Spectral Multiplicity, Chelsea Pub. Comp, New York, N.Y., 1972. MR1653399P.R. Halmos, Introduction to Hilbert Space and the Theory of Spectral Multiplicity, Chelsea Pub. Comp, New York, N.Y., 1972. MR1653399