%0 Journal Article
%A V. G. Deryagina
%T On the theory of two-dimensional surfaces in a~biplanar space $B_5$
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1976
%P 116-119
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1976_1_a13/
%G ru
%F IVM_1976_1_a13