TY  - JOUR
AU  - I. E. Ovcharenko
TI  - An application of the method of directional functionals in the theory of precommuting operators
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1038
EP  - 1041
VL  - 154
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_154_5_a8/
LA  - ru
ID  - DAN_1964_154_5_a8
ER  -