TY - JOUR AU - S. A. Tersenov TI - On the analyticity of solutions of a class of differential equations degenerating on a boundary JO - Doklady Akademii Nauk PY - 1976 SP - 1294 EP - 1297 VL - 228 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_228_6_a8/ LA - ru ID - DAN_1976_228_6_a8 ER -