%0 Journal Article
%A A. L. Piven
%T Condition of completeness of elementary solutions for degenerate higher order operator differential equations
%J Žurnal matematičeskoj fiziki, analiza, geometrii
%D 2005
%P 86-102
%V 12
%N 1
%U http://geodesic.mathdoc.fr/item/JMAG_2005_12_1_a4/
%G ru
%F JMAG_2005_12_1_a4