TY - JOUR AU - S. N. Kruzhkov TI - A class of problems with an unknown boundary for the heat conduction equation JO - Doklady Akademii Nauk PY - 1968 SP - 1036 EP - 1038 VL - 178 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_178_5_a12/ LA - ru ID - DAN_1968_178_5_a12 ER -