TY  - JOUR
AU  - Olga V. Kravtsova
AU  - Victoria O. Pramzina
TI  - On collineation subgroup of semifield plane that isomorphic to $A_4$
JO  - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika
PY  - 2011
SP  - 498
EP  - 504
VL  - 4
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JSFU_2011_4_4_a7/
LA  - ru
ID  - JSFU_2011_4_4_a7
ER  -