@article{MAN_1873__6_156621,
     author = {Enneper},
     title = {Ueber ein bestimmtes {Integral}},
     journal = {Mathematische Annalen},
     pages = {360--365},
     year = {1873},
     volume = {6},
     zbl = {05.0160.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1873__6_156621/}
}