%0 Journal Article %A A. Yu. Belyaev %T Proof of Dupuit's Assumption for the Free Boundary Problem in an Inhomogeneous Porous Medium %J Matematičeskie zametki %D 2018 %P 49-64 %V 103 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2018_103_1_a4/ %G ru %F MZM_2018_103_1_a4