%0 Journal Article
%A V. A. Startsev
%T A~certain generalization of the concepts of symmetric continuity and symmetric differentiability
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1971
%P 92-100
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1971_3_a12/
%G ru
%F IVM_1971_3_a12