%0 Journal Article %A D. Z. Khoang %T Some integral representations of $y^k$-analytic functions and their applications to the theory of filtration in an inhomogeneous medium %J Differencialʹnye uravneniâ %D 1982 %P 505-514 %V 18 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_3_a13/ %G ru %F DE_1982_18_3_a13