%0 Journal Article
%A N. P. Morozov
%T A transformation of an asymptotic expansion of the period
%J Differencialʹnye uravneniâ
%D 1976
%P 1580-1586
%V 12
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_9_a5/
%G ru
%F DE_1976_12_9_a5