%0 Journal Article
%A V. G. Raskin
%A P. E. Sobolevskii
%T Expansion of the solutions of second order differential equations in Banach spaces in series of exponential solutions
%J Differencialʹnye uravneniâ
%D 1969
%P 543-545
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_3_a13/
%G ru
%F DE_1969_5_3_a13