### Volume 52, Number 6

#### Publication Date: June 1946

Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 52, Number 6 (1946)

On degree of approximation on a Jordan curve to a function analytic interior to the curve by functions not necessarily analytic interior to the curve

J. L. Walsh; 449-453

On the number of $1 - 1$ directly conformal maps which a multiply-connected plane region of finite connectivity $p\left( { > 2} \right)$ admits onto itself

Maurice Heins; 454-457

Some properties of absolutely monotonic functions

P. C. Rosenbloom; 458-462

Toeplitz methods which sum a given sequence

P. Erdös and P. C. Rosenbloom; 463-464

A sufficiency theorem for differential systems

Augusto Bobonis; 465-474

On the summation of multiple Fourier series. III

K. Chandrasekharan; 474-477

Generalizations of two theorems of Janiszewski. II

R. H. Bing; 478-480

Topological groups in which multiplication of one side is differentiable

I. E. Segal; 481-487

A note on pointwise nonwandering transformations

W. H. Gottschalk; 488-489

The Asano postulates for the integral domains of a linear algebra

Fred Kiokemeister; 490-495

On a problem of Kurosch and Jacobson

Irving Kaplansky; 496-500

Absolute retracts in group theory

Reinhold Baer; 501-506

Lattices, equivalence relations, and subgroups

Philip M. Whitman; 507-522

On the commutativity of certain rings

Alexandra Forsythe and Neal H. McCoy; 523-526