%0 Journal Article %A S. S. Grigoryan %A Guo Xinghai %T On mathematical modeling of penetrating process of collapsed rocks into reservoir %J Doklady Akademii Nauk %D 1994 %P 59-60 %V 335 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_335_1_a13/ %G ru %F DAN_1994_335_1_a13