TY  - JOUR
AU  - A. V. Strauss
TI  - On the extensions and the characteristic function of a~symmetric operator
JO  - Izvestiya. Mathematics 
PY  - 1968
SP  - 181
EP  - 203
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1968_2_1_a7/
LA  - en
ID  - IM2_1968_2_1_a7
ER  -