Some conditions for a mapping to be a covering
Lelek, A. ; Mycielski, Jan
Fundamenta Mathematicae, Tome 49 (1961), p. 295-300 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1961-01-01
EUDML-ID : urn:eudml:doc:213596 
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     author = {A. Lelek and Jan Mycielski},
     title = {Some conditions for a mapping to be a covering},
     journal = {Fundamenta Mathematicae},
     volume = {49},
     year = {1961},
     pages = {295-300},
     zbl = {0103.39204},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv49i3p295bwm}
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Lelek, A.; Mycielski, Jan. Some conditions for a mapping to be a covering. Fundamenta Mathematicae, Tome 49 (1961) pp. 295-300. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv49i3p295bwm/