%0 Journal Article
%A Yu. M. Berezanskii
%A G. F. Us
%T On the expansion in eigenfunctions of selfadjoint operators admitting a separation of infinitely many variables
%J Doklady Akademii Nauk
%D 1973
%P 1005-1008
%V 213
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_213_5_a1/
%G ru
%F DAN_1973_213_5_a1