@article{10_4153_CMB_1997_013_7,
     author = {Schaer, J.},
     title = {Continuous {Self-Maps} of the {Circle}},
     journal = {Canadian mathematical bulletin},
     pages = {108--116},
     year = {1997},
     volume = {40},
     number = {1},
     doi = {10.4153/CMB-1997-013-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-013-7/}
}