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@article{MZ_1971__119_171484, author = {Roger M. Bryant}, title = {On {Join} {Varieties} of {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {143--148}, publisher = {mathdoc}, volume = {119}, year = {1971}, zbl = {0198.04201}, url = {http://geodesic.mathdoc.fr/item/MZ_1971__119_171484/} }
Roger M. Bryant. On Join Varieties of Groups.. Mathematische Zeitschrift, Tome 119 (1971), pp. 143-148. http://geodesic.mathdoc.fr/item/MZ_1971__119_171484/