TY - JOUR AU - V. M. Filippov TI - Quasiclassical solutions of an inverse problem of the calculus of JO - Doklady Akademii Nauk PY - 1985 SP - 53 EP - 56 VL - 285 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_285_1_a10/ LA - ru ID - DAN_1985_285_1_a10 ER -