TY - JOUR AU - V. P. Didenko TI - On certain elliptic systems which are degenerate on the boundary JO - Doklady Akademii Nauk PY - 1962 SP - 1250 EP - 1253 VL - 143 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_143_6_a2/ LA - ru ID - DAN_1962_143_6_a2 ER -