TY - JOUR AU - Yu. N. Fedorov TI - Lax representations with a spectral parameter defined on coverings of hyperelliptic curves JO - Matematičeskie zametki PY - 1993 SP - 94 EP - 109 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_54_1_a9/ LA - ru ID - MZM_1993_54_1_a9 ER -