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@article{AM2_1978__17_136761, author = {J. Barnhardt}, title = {Distributive groupoids and biassociativity. {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {388--389}, publisher = {mathdoc}, volume = {17}, year = {1978}, zbl = {0418.22002}, url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136761/} }
J. Barnhardt. Distributive groupoids and biassociativity. (Short Communication).. Aequationes mathematicae, Tome 17 (1978), pp. 388-389. http://geodesic.mathdoc.fr/item/AM2_1978__17_136761/