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@article{AM2_1968__1_135981, author = {Kermit Sigmon}, title = {Medial {Topological} {Groupoids.} {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {306--307}, publisher = {mathdoc}, volume = {1}, year = {1968}, url = {http://geodesic.mathdoc.fr/item/AM2_1968__1_135981/} }
Kermit Sigmon. Medial Topological Groupoids. (Short Communication).. Aequationes mathematicae, Tome 1 (1968), pp. 306-307. http://geodesic.mathdoc.fr/item/AM2_1968__1_135981/