%0 Journal Article %A V. Ya. Tereshchenko %T Orthogonal expansions on the boundary of the domain in elliptic boundary value problems %J Differencialʹnye uravneniâ %D 1982 %P 476-486 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_3_a10/ %G ru %F DE_1982_18_3_a10