%0 Journal Article
%A V. N. Funtakov
%T On the expansion in eigenfunctions of a non-selfadjoint differential operator of arbitrary even order on the $[0,\infty)$ half-axis
%J Doklady Akademii Nauk
%D 1960
%P 777-780
%V 132
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a11/
%G ru
%F DAN_1960_132_4_a11