@article{10_4064_cm_17_1_53_60,
     author = {Calvin F. K. Jung},
     title = {Mappings on manifolds},
     journal = {Colloquium Mathematicum},
     pages = {53--60},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1967},
     doi = {10.4064/cm-17-1-53-60},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-17-1-53-60/}
}