%0 Journal Article
%A S. K. Bloshanskaya
%T On the existence of associated functions of a second-order operator
%J Doklady Akademii Nauk
%D 1982
%P 1036-1039
%V 262
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_262_5_a1/
%G ru
%F DAN_1982_262_5_a1