@article{GDZPPN002309491, title = {Real Elements in Small Cancellation Groups.}, journal = {Mathematische Annalen}, volume = {212}, year = {1974}, pages = {279-294}, zbl = {0266.20026}, url = {http://dml.mathdoc.fr/item/GDZPPN002309491} }
Comerford, Leo P. jr. Real Elements in Small Cancellation Groups.. Mathematische Annalen, Tome 212 (1974) pp. 279-294. http://gdmltest.u-ga.fr/item/GDZPPN002309491/