%0 Journal Article
%A G. A. Isaev
%T Expansion in the eigenfunctions of selfadjoint singular multiparameter differential operators
%J Doklady Akademii Nauk
%D 1981
%P 786-790
%V 260
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1981_260_4_a3/
%G ru
%F DAN_1981_260_4_a3