@article{GDZPPN002107961, title = {Small cancellation theory and automatic groups.}, journal = {Inventiones mathematicae}, volume = {100}, year = {1990}, pages = {305-334}, zbl = {0714.20016}, url = {http://dml.mathdoc.fr/item/GDZPPN002107961} }
Gersten, S.M.; Short, H.B. Small cancellation theory and automatic groups.. Inventiones mathematicae, Tome 100 (1990) pp. 305-334. http://gdmltest.u-ga.fr/item/GDZPPN002107961/