TY  - JOUR
AU  - Bagderina, Yu.Yu.
TI  - Symmetries of factor systems.
JO  - Sibirskij Matematicheskij Zhurnal
PY  - 2005
SP  - 290
VL  - 46
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/SMZ_2005__46_2_51930/
LA  - en
ID  - SMZ_2005__46_2_51930
ER  -