TY - JOUR AU - V. A. Sadovnichii TI - The trace of ordinary differential operators of high order JO - Sbornik. Mathematics PY - 1967 SP - 263 EP - 288 VL - 1 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_1967_1_2_a6/ LA - en ID - SM_1967_1_2_a6 ER -