TY - JOUR AU - V. A. Sadovnichii TI - Trace formulae for ordinary differential operators of higher orders JO - Matematičeskie zametki PY - 1967 SP - 179 EP - 188 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1967_1_2_a6/ LA - ru ID - MZM_1967_1_2_a6 ER -