@article{10_4153_CMB_1991_088_5,
     author = {Xu, Hong-Kun},
     title = {A {Fixed} {Point} {Theorem} for {Semigroups} of {Proximately} {Uniformly} {Lipschitzian} {Mappings}},
     journal = {Canadian mathematical bulletin},
     pages = {559--562},
     year = {1991},
     volume = {34},
     number = {4},
     doi = {10.4153/CMB-1991-088-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-088-5/}
}