TY - JOUR AU - A. R. Its AU - V. B. Matveev TI - Schr\"odinger operators with finite-gap spectrum and $N$-soliton solutions of the Korteweg--de~Vries equation JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1975 SP - 51 EP - 68 VL - 23 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1975_23_1_a5/ LA - ru ID - TMF_1975_23_1_a5 ER -