@article{10_4064_sm_37_3_277_287,
     author = {Niels Nielsen},
     title = {Components and open mapping theorems},
     journal = {Studia Mathematica},
     pages = {277--287},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1970},
     doi = {10.4064/sm-37-3-277-287},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-37-3-277-287/}
}