@article{10_4064_fm_78_3_227_264,
     author = {Kei\^o Nagami},
     title = {Minimal class generated by open compact and perfect mappings},
     journal = {Fundamenta Mathematicae},
     pages = {227--264},
     publisher = {mathdoc},
     volume = {78},
     number = {3},
     year = {1973},
     doi = {10.4064/fm-78-3-227-264},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-78-3-227-264/}
}