%0 Journal Article
%A V. A. Tkachenko
%T On the expansion of an entire function of finite order in the eigenfunctions of a~differential operator
%J Sbornik. Mathematics
%D 1972
%P 559-570
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1972_18_4_a1/
%G en
%F SM_1972_18_4_a1