%0 Journal Article
%A E. A. Nazarov
%T Modes of approach of trajectories toward a singular point
%J Differencialʹnye uravneniâ
%D 1968
%P 1949-1955
%V 4
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1968_4_11_a2/
%G ru
%F DE_1968_4_11_a2