TY - JOUR AU - È. I. Grudo TI - An elliptic system of partial differential equations with a singular point at the origin JO - Differencialʹnye uravneniâ PY - 1967 SP - 485 EP - 495 VL - 3 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_3_a10/ LA - ru ID - DE_1967_3_3_a10 ER -