@article{GDZPPN002306557,
title = {On L-Semi-Groups.},
journal = {Mathematische Annalen},
volume = {196},
year = {1972},
pages = {13-22},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002306557}
}
Zassenhaus, Hans J. On L-Semi-Groups.. Mathematische Annalen, Tome 196 (1972) pp. 13-22. http://gdmltest.u-ga.fr/item/GDZPPN002306557/