Necessary Conditions for the Existence of Branched Coverings.
Brand, Neal
Inventiones mathematicae, Tome 55 (1979), p. 1-10 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1979-01-01
EUDML-ID : urn:eudml:doc:142668 
@article{GDZPPN002095408,
     title = {Necessary Conditions for the Existence of Branched Coverings.},
     journal = {Inventiones mathematicae},
     volume = {55},
     year = {1979},
     pages = {1-10},
     zbl = {0415.57024},
     url = {http://dml.mathdoc.fr/item/GDZPPN002095408}
}

Brand, Neal. Necessary Conditions for the Existence of Branched Coverings.. Inventiones mathematicae, Tome 55 (1979) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002095408/