@article{00806194, title = {Fixed points of semigroups of Lipschitzian mappings defined on nonconvex domains.}, journal = {Georgian Mathematical Journal}, volume = {2}, year = {1995}, pages = {547-558}, doi = {10.1007/BF02259673}, zbl = {0830.47044}, language = {en}, url = {http://dml.mathdoc.fr/item/00806194} }
Tan, Kok-Keong; Xu, Hong-Kun. Fixed points of semigroups of Lipschitzian mappings defined on nonconvex domains.. Georgian Mathematical Journal, Tome 2 (1995) pp. 547-558. doi : 10.1007/BF02259673. http://gdmltest.u-ga.fr/item/00806194/