@article{GDZPPN002401851,
title = {An Extension of Group Theory to S-semigroups.},
journal = {Mathematische Zeitschrift},
volume = {105},
year = {1968},
pages = {74-90},
zbl = {0155.04702},
url = {http://dml.mathdoc.fr/item/GDZPPN002401851}
}
Tamaschke, Olaf. An Extension of Group Theory to S-semigroups.. Mathematische Zeitschrift, Tome 105 (1968) pp. 74-90. http://gdmltest.u-ga.fr/item/GDZPPN002401851/