@article{MZ_1935__39_168539,
     author = {A. Scholz},
     title = {\"Uber die {L\"osbarkeit} der {Gleichung} {t2-Du2=-4}},
     journal = {Mathematische Zeitschrift},
     pages = {95--111},
     publisher = {mathdoc},
     volume = {39},
     year = {1935},
     zbl = {0009.29402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1935__39_168539/}
}