TY  - JOUR
AU  - Leech, John
TI  - A Presentation of the Mathieu Group M12
JO  - Canadian mathematical bulletin
PY  - 1969
SP  - 41
EP  - 43
VL  - 12
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-005-8/
DO  - 10.4153/CMB-1969-005-8
ID  - 10_4153_CMB_1969_005_8
ER  -