@article{1183422209,
author = {Cummings, L. D.},
title = {Note on the groups for triple-systems},
journal = {Bull. Amer. Math. Soc.},
volume = {20},
number = {3},
year = {1913},
pages = { 355-356},
language = {en},
url = {http://dml.mathdoc.fr/item/1183422209}
}
Cummings, L. D. Note on the groups for triple-systems. Bull. Amer. Math. Soc., Tome 20 (1913) no. 3, pp. 355-356. http://gdmltest.u-ga.fr/item/1183422209/