@article{GDZPPN002028727,
title = {R-and T-Groupoids: A Generalization of Groups.},
journal = {Aequationes mathematicae},
volume = {13},
year = {1975},
pages = {242-248},
url = {http://dml.mathdoc.fr/item/GDZPPN002028727}
}
Taylor, M.A. R-and T-Groupoids: A Generalization of Groups.. Aequationes mathematicae, Tome 13 (1975) pp. 242-248. http://gdmltest.u-ga.fr/item/GDZPPN002028727/