@article{JRAM_1949__186_150142,
     author = {O. Nehring},
     title = {\"Uber ein {Dreiecksproblem.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {70--77},
     publisher = {mathdoc},
     volume = {186},
     year = {1949},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1949__186_150142/}
}