TY - JOUR AU - A. S. Kalashnikov TI - On the first boundary value problem for equations expressing one-dimensional unsteady percolation JO - Doklady Akademii Nauk PY - 1957 SP - 858 EP - 861 VL - 115 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_115_5_a1/ LA - ru ID - DAN_1957_115_5_a1 ER -