%0 Journal Article
%A A. A. Davydov
%T Normal form of a differential equation, not solvable for the derivative, in a neighborhood of a singular point
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1985
%P 1-10
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1985_19_2_a0/
%G ru
%F FAA_1985_19_2_a0