TY - JOUR AU - E. A. Danilov TI - The dependence of the number of solutions of the homogeneous Riemann problem on the contour and the modulus of the coefficient JO - Doklady Akademii Nauk PY - 1982 SP - 1305 EP - 1308 VL - 264 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_6_a5/ LA - ru ID - DAN_1982_264_6_a5 ER -