In this paper, solutions of two old problems of D. Ž. Djoković are given. One solution of the first problem is given by O. P. Lossers  in implicit form and the other solution by another method is given in explicit form. The second problem is solved here for the first time.
"Solutions of Two Problems of D. Ž. Djoković." Missouri J. Math. Sci. 14 (3) 201 - 209, Fall 2002. https://doi.org/10.35834/2002/1403201