@article{JRAM_1995__465_153743,
     author = {R\"udiger Plantiko},
     title = {A rigidity property of class {VIIo} surface fundamental groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {145--164},
     publisher = {mathdoc},
     volume = {465},
     year = {1995},
     zbl = {0826.14022},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1995__465_153743/}
}