@article{SF_1988__37_1_134936,
     author = {Andrew Vogt},
     title = {A sufficient condition for a group of homeomorphisms to be affine.},
     journal = {Semigroup forum},
     pages = {343--350},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1988},
     zbl = {0642.57021},
     url = {http://geodesic.mathdoc.fr/item/SF_1988__37_1_134936/}
}