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@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/} }
George Greaves. On the Representation of a Number as a Sum of Two Fourth Powers.. Mathematische Zeitschrift, Tome 94 (1966), pp. 223-234. http://geodesic.mathdoc.fr/item/MZ_1966__94_170623/