%0 Journal Article
%A Yu. V. Gandel'
%A I. K. Lifanov
%T A new approach to the solution of mixed boundary value problems for the Laplace and Helmholtz equations
%J Differencialʹnye uravneniâ
%D 1998
%P 1246-1253
%V 34
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1998_34_9_a11/
%G ru
%F DE_1998_34_9_a11