TY - JOUR AU - E. V. Radkevich TI - The spectrum of the pencil of a two-phase Stefan problem JO - Doklady Akademii Nauk PY - 1990 SP - 1322 EP - 1327 VL - 314 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a9/ LA - ru ID - DAN_1990_314_6_a9 ER -