TY  - JOUR
AU  - A. P. Kovalenko
TI  - A characterization of groups of Janko-Ree type and the Hall-Janko
JO  - Algebra i logika
PY  - 1976
SP  - 292
EP  - 299
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1976_15_3_a2/
LA  - ru
ID  - AL_1976_15_3_a2
ER  -