TY  - JOUR
AU  - V. V. Napalkov
TI  - On the extension of a~generalized differentiation operator
JO  - Matematičeskie zametki
PY  - 1969
SP  - 425
EP  - 436
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1969_6_4_a7/
LA  - ru
ID  - MZM_1969_6_4_a7
ER  -