%0 Journal Article
%A È. M. Saak
%T On the stability of the Dirichlet and Neumann problems
%J Doklady Akademii Nauk
%D 1970
%P 564-566
%V 195
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_195_3_a13/
%G ru
%F DAN_1970_195_3_a13