@article{MAN_1913__73_158616,
     author = {J.C. Fields},
     title = {Relations between the branch points and the double points of an algebraic curve},
     journal = {Mathematische Annalen},
     pages = {560--570},
     publisher = {mathdoc},
     volume = {73},
     year = {1913},
     zbl = {44.0650.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1913__73_158616/}
}