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@article{IM_1995__121_3_144300, author = {Mladen Bestvina and Mark Feighn}, title = {Stable actions of groups on real trees.}, journal = {Inventiones mathematicae}, pages = {287--322}, publisher = {mathdoc}, volume = {121}, number = {3}, year = {1995}, zbl = {0837.20047}, url = {http://geodesic.mathdoc.fr/item/IM_1995__121_3_144300/} }
Mladen Bestvina; Mark Feighn. Stable actions of groups on real trees.. Inventiones mathematicae, Tome 121 (1995) no. 3, pp. 287-322. http://geodesic.mathdoc.fr/item/IM_1995__121_3_144300/