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@article{PIM_1977_N_S_21_35_a27, author = {V. Sathyabhama}, title = {Transitivity, {Associativity} {And} {Bisymmetry} {Equations} {On} {GD-Groupoids}}, journal = {Publications de l'Institut Math\'ematique}, pages = {175 }, publisher = {mathdoc}, volume = {_N_S_21}, number = {35}, year = {1977}, url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a27/} }
V. Sathyabhama. Transitivity, Associativity And Bisymmetry Equations On GD-Groupoids. Publications de l'Institut Mathématique, _N_S_21 (1977) no. 35, p. 175 . http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a27/