TY  - JOUR
AU  - Yu. A. Ignatov
TI  - Groups of linear fractional transformations generated by three elements
JO  - Matematičeskie zametki
PY  - 1980
SP  - 507
EP  - 513
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1980_27_4_a1/
LA  - ru
ID  - MZM_1980_27_4_a1
ER  -