@article{CMH_1951__25_139018,
     author = {Karl-Felix Moppert},
     title = {\"Uber eine diophantische {Identit\"at.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {71--74},
     publisher = {mathdoc},
     volume = {25},
     year = {1951},
     zbl = {0042.31801},
     url = {http://geodesic.mathdoc.fr/item/CMH_1951__25_139018/}
}