%0 Journal Article %A S. E. Kholodovskii %T On the solution of boundary value problems for a filtration equation with an arbitrary integrable coefficient $P(y)$ %J Differencialʹnye uravneniâ %D 1993 %P 172-174 %V 29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_1_a23/ %G ru %F DE_1993_29_1_a23