@article{10_4064_fm_71_2_131_137,
     author = {Kenneth Magill},
     title = {On restrictive semigroups of continuous functions},
     journal = {Fundamenta Mathematicae},
     pages = {131--137},
     publisher = {mathdoc},
     volume = {71},
     number = {2},
     year = {1971},
     doi = {10.4064/fm-71-2-131-137},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-71-2-131-137/}
}