@article{10_4064_fm_62_1_49_52,
     author = {Sam Young},
     title = {Polynomial factors of light mappings on an arc},
     journal = {Fundamenta Mathematicae},
     pages = {49--52},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {1968},
     doi = {10.4064/fm-62-1-49-52},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-62-1-49-52/}
}