%0 Journal Article %A V. E. Shatalov %A I. A. Shishmarev %T Analytic continuation of the Dirichlet series of elliptic boundary value problems.~I, II %J Differencialʹnye uravneniâ %D 1970 %P 1652-1672 %V 6 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_9_a12/ %G ru %F DE_1970_6_9_a12