TY - JOUR AU - P. G. Grinevich AU - R. G. Novikov TI - Analogues of multisoliton potentials for the two-dimensional Schr\"odinger operator, and a nonlocal Riemann problem JO - Doklady Akademii Nauk PY - 1986 SP - 19 EP - 22 VL - 286 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_286_1_a2/ LA - ru ID - DAN_1986_286_1_a2 ER -