@article{GDZPPN002394294,
title = {A characterization of the Mathieu group M12.},
journal = {Mathematische Zeitschrift},
volume = {85},
year = {1964},
pages = {378-388},
zbl = {0129.01801},
url = {http://dml.mathdoc.fr/item/GDZPPN002394294}
}
Wong, W.J. A characterization of the Mathieu group M12.. Mathematische Zeitschrift, Tome 85 (1964) pp. 378-388. http://gdmltest.u-ga.fr/item/GDZPPN002394294/