@article{JRAM_1984__353_152671,
     author = {A. Prestel and F.-V. Kuhlmann},
     title = {On places of algebraic function fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {181--195},
     year = {1984},
     volume = {353},
     zbl = {0535.12015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1984__353_152671/}
}