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@article{AM2_1985__28_137054, author = {M.A. Taylor}, title = {Some varieties of groupoids which consist of abelian group or group isotopes.}, journal = {Aequationes mathematicae}, pages = {156--160}, publisher = {mathdoc}, volume = {28}, year = {1985}, zbl = {0564.39003}, url = {http://geodesic.mathdoc.fr/item/AM2_1985__28_137054/} }
M.A. Taylor. Some varieties of groupoids which consist of abelian group or group isotopes.. Aequationes mathematicae, Tome 28 (1985), pp. 156-160. http://geodesic.mathdoc.fr/item/AM2_1985__28_137054/