TY  - JOUR
AU  - Yu. G. Shondin
TI  - Quantum-mechanical models in $R_n$ associated with extensions of the energy operator in a Pontryagin space
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1988
SP  - 331
EP  - 344
VL  - 74
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/TMF_1988_74_3_a1/
LA  - ru
ID  - TMF_1988_74_3_a1
ER  -