%0 Journal Article
%A I. F. Kushnirchuk
%A N. I. Nagnibida
%A K. M. Fishman
%T Equivalence of differential operators with a regular singular point
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1974
%P 83-84
%V 8
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1974_8_2_a19/
%G ru
%F FAA_1974_8_2_a19