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@article{MAN_1974__208_162575, author = {Leo P. jr. Comerford}, title = {Real {Elements} in {Small} {Cancellation} {Groups.}}, journal = {Mathematische Annalen}, pages = {279--294}, publisher = {mathdoc}, volume = {208}, year = {1974}, zbl = {0266.20026}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162575/} }
Leo P. jr. Comerford. Real Elements in Small Cancellation Groups.. Mathematische Annalen, Tome 208 (1974), pp. 279-294. http://geodesic.mathdoc.fr/item/MAN_1974__208_162575/