%0 Journal Article
%A P. I. Balk
%T The use of a priori information on the topological features of
%J Doklady Akademii Nauk
%D 1989
%P 1082-1084
%V 309
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_309_5_a12/
%G ru
%F DAN_1989_309_5_a12