@article{MZ_1966__94_170623,
     author = {George Greaves},
     title = {On the {Representation} of a {Number} as a {Sum} of {Two} {Fourth} {Powers.}},
     journal = {Mathematische Zeitschrift},
     pages = {223--234},
     publisher = {mathdoc},
     volume = {94},
     year = {1966},
     zbl = {0151.03802},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__94_170623/}
}