@article{GDZPPN00238809X,
title = {Zur Axiomatik des Brandtschen Gruppoids.},
journal = {Mathematische Zeitschrift},
volume = {70},
year = {1958},
pages = {156-164},
zbl = {0084.25101},
url = {http://dml.mathdoc.fr/item/GDZPPN00238809X}
}
Stolt, Bengt. Zur Axiomatik des Brandtschen Gruppoids.. Mathematische Zeitschrift, Tome 70 (1958) pp. 156-164. http://gdmltest.u-ga.fr/item/GDZPPN00238809X/