TY  - JOUR
AU  - K. S. Sibirskii
TI  - Invariants of linear representations of the rotation group of the plane and the problem of the center
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 497
EP  - 500
VL  - 151
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_151_3_a5/
LA  - ru
ID  - DAN_1963_151_3_a5
ER  -