TY - JOUR AU - S. R. Tlyusten TI - Filtration of a fluid with free boundaries in multisheeted JO - Doklady Akademii Nauk PY - 1994 SP - 486 EP - 488 VL - 338 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_338_4_a11/ LA - ru ID - DAN_1994_338_4_a11 ER -