@article{MAN_1940__117_160050,
     author = {H. Reichardt},
     title = {\"Uber die {Diophantische} {Gleichung} a x4 + b x2 y2 + cy4 = ez2},
     journal = {Mathematische Annalen},
     pages = {235--276},
     publisher = {mathdoc},
     volume = {117},
     year = {1940},
     url = {http://geodesic.mathdoc.fr/item/MAN_1940__117_160050/}
}