%0 Journal Article %A A. B. Kazansky %A Yu. V. Belyaev %T On the hydraulic features of filtration flow in the regions of its convergence and divergence %J Doklady Akademii Nauk %D 1989 %P 1343-1346 %V 306 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_6_a14/ %G ru %F DAN_1989_306_6_a14