%0 Journal Article
%A N. S. Erokhin
%T An asymptotic expansion of the solutions of the equation $y^{\mathrm{IV}}+(\lambda+\xi^2)y^{\mathrm{II}}\mu y=0$ 

%J Differencialʹnye uravneniâ
%D 1971
%P 970-980
%V 7
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_6_a2/
%G ru
%F DE_1971_7_6_a2