%0 Journal Article
%A L. R. Volkovyskii
%T Plane geodesically complete subsets in spaces of nonpositive curvature
%J Algebra i analiz
%D 1994
%P 90-100
%V 6
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_1994_6_4_a2/
%G ru
%F AA_1994_6_4_a2