@article{MAN_1913__73_158592,
     author = {H.P. Hudson},
     title = {Curves of simple contact on algebraic surfaces},
     journal = {Mathematische Annalen},
     pages = {73--85},
     year = {1913},
     volume = {73},
     zbl = {43.0707.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1913__73_158592/}
}