TY  - JOUR
AU  - K. S. Sibirskii
TI  - Invariants of linear representations of the rotation group of the plane and their applications in the qualitative theory of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1966
SP  - 908
EP  - 918
VL  - 2
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1966_2_7_a4/
LA  - ru
ID  - DE_1966_2_7_a4
ER  -