%0 Journal Article %A Z. A. Nakhusheva %T The first and second boundary value problems in an integral formulation for a second-order parabolic equation %J Differencialʹnye uravneniâ %D 1990 %P 1982-1992 %V 26 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_11_a19/ %G ru %F DE_1990_26_11_a19