TY  - JOUR
AU  - V. A. Ditkin
TI  - On the theory of operational calculus
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 395
EP  - 396
VL  - 123
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_123_3_a1/
LA  - ru
ID  - DAN_1958_123_3_a1
ER  -