TY - JOUR AU - E. M. Landis TI - Necessary and sufficient conditions for the regularity of a boundary point for the Dirichlet problem for the heat equation JO - Doklady Akademii Nauk PY - 1969 SP - 517 EP - 520 VL - 185 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_185_3_a6/ LA - ru ID - DAN_1969_185_3_a6 ER -