%0 Journal Article %A T. M. Kerimov %T The mixed boundary value problem for a second order linear elliptic equation %J Differencialʹnye uravneniâ %D 1977 %P 477-480 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_3_a10/ %G ru %F DE_1977_13_3_a10