TY  - JOUR
AU  - V. A. Sadovnichy
TI  - On the trace of the difference of two ordinary differential operators of higher orders
JO  - Differencialʹnye uravneniâ
PY  - 1966
SP  - 1611
EP  - 1624
VL  - 2
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1966_2_12_a6/
LA  - ru
ID  - DE_1966_2_12_a6
ER  -