@article{10_4064_fm_59_3_313_321,
     author = {Murray Eisenberg},
     title = {Expansive transformation semigroups of endomorphisms},
     journal = {Fundamenta Mathematicae},
     pages = {313--321},
     publisher = {mathdoc},
     volume = {59},
     number = {3},
     year = {1966},
     doi = {10.4064/fm-59-3-313-321},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-59-3-313-321/}
}