@article{GDZPPN00202831X, title = {R-and T-Groupoids: A Generalization of Groups. (Short Communication).}, journal = {Aequationes mathematicae}, volume = {10}, year = {1974}, pages = {318-319}, url = {http://dml.mathdoc.fr/item/GDZPPN00202831X} }
Taylor, M.A. R-and T-Groupoids: A Generalization of Groups. (Short Communication).. Aequationes mathematicae, Tome 10 (1974) pp. 318-319. http://gdmltest.u-ga.fr/item/GDZPPN00202831X/