TY  - JOUR
AU  - G. I. Laptev
TI  - On the theory of the operational calculus of linear unbounded operators
JO  - Doklady Akademii Nauk
PY  - 1969
SP  - 760
EP  - 763
VL  - 185
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1969_185_4_a7/
LA  - ru
ID  - DAN_1969_185_4_a7
ER  -