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@article{MZ_1961__75_169905, author = {James Wiegold}, title = {Some remarks on generalised products of groups with amalgamations.}, journal = {Mathematische Zeitschrift}, pages = {57--78}, publisher = {mathdoc}, volume = {75}, year = {1961}, zbl = {0091.02402}, url = {http://geodesic.mathdoc.fr/item/MZ_1961__75_169905/} }
James Wiegold. Some remarks on generalised products of groups with amalgamations.. Mathematische Zeitschrift, Tome 75 (1961), pp. 57-78. http://geodesic.mathdoc.fr/item/MZ_1961__75_169905/