TY  - JOUR
AU  - R. A. Bogdanova
TI  - The Groups of Motions of Two-Dimensional Helmholtz Geometries as Solutions to Functional Equations
JO  - Sibirskij žurnal industrialʹnoj matematiki
PY  - 2009
SP  - 12
EP  - 22
VL  - 12
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SJIM_2009_12_4_a1/
LA  - ru
ID  - SJIM_2009_12_4_a1
ER  -