%0 Journal Article %A A. S. Kalashnikov %T On the first boundary value problem for equations expressing one-dimensional unsteady percolation %J Doklady Akademii Nauk %D 1957 %P 858-861 %V 115 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a1/ %G ru %F DAN_1957_115_5_a1