%0 Journal Article %A Ya. S. Kushitsky %T The Tikhonov problem for second-order linear parabolic equations %J Differencialʹnye uravneniâ %D 1990 %P 1576-1585 %V 26 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_9_a12/ %G ru %F DE_1990_26_9_a12