TY - JOUR AU - Kh. R. Shukurov TI - A problem of Riemann--Hilbert type for a degenerate elliptic system of first-order equations JO - Differencialʹnye uravneniâ PY - 1986 SP - 176 EP - 179 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a23/ LA - ru ID - DE_1986_22_1_a23 ER -