TY  - JOUR
AU  - A. I. Virozub
TI  - Power completeness of the system of elementary solutions of a differential equation in Hilbert space
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1975
SP  - 52
EP  - 53
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1975_9_1_a10/
LA  - ru
ID  - FAA_1975_9_1_a10
ER  -