TY - JOUR AU - M. Utepbergenov TI - An elliptic system with regular degeneration JO - Differencialʹnye uravneniâ PY - 1986 SP - 1077 EP - 1079 VL - 22 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_6_a25/ LA - ru ID - DE_1986_22_6_a25 ER -