%0 Journal Article
%A M. Sh. Tsalenko
%T The structure of correspondence categories
%J Doklady Akademii Nauk
%D 1977
%P 786-789
%V 237
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_237_4_a8/
%G ru
%F DAN_1977_237_4_a8