%0 Journal Article %A V. N. Monakhov %T Solvability of filtration problems with free boundaries %J Doklady Akademii Nauk %D 1964 %P 1320-1322 %V 156 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a17/ %G ru %F DAN_1964_156_6_a17