%0 Journal Article %A I. N. Bogatenko %A Yu. A. Timofeev %T Solution of the third boundary value problem for equations of elliptic type.~I %J Differencialʹnye uravneniâ %D 1979 %P 545-547 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_3_a17/ %G ru %F DE_1979_15_3_a17