TY  - JOUR
AU  - A. N. Kochubei
TI  - Extensions of symmetric operators and symmetric binary relations
JO  - Matematičeskie zametki
PY  - 1975
SP  - 41
EP  - 48
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1975_17_1_a4/
LA  - ru
ID  - MZM_1975_17_1_a4
ER  -