@article{MZ_1962__80_170091, author = {James Wiegold}, title = {Embedding group amalgams in wreath products.}, journal = {Mathematische Zeitschrift}, pages = {148--153}, year = {1962}, volume = {80}, zbl = {0107.25702}, url = {http://geodesic.mathdoc.fr/item/MZ_1962__80_170091/} }