@article{JRAM_1979__309_152138,
     author = {Birge Zimmermann-Huisgen},
     title = {On {Fuchs'} problem 76.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {86--91},
     publisher = {mathdoc},
     volume = {309},
     year = {1979},
     zbl = {0408.20038},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__309_152138/}
}