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@article{AM2_1979__19_136842, author = {P.G. Laird}, title = {A reconsideration of the 'three squares' problem {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {315--316}, publisher = {mathdoc}, volume = {19}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/AM2_1979__19_136842/} }
P.G. Laird. A reconsideration of the 'three squares' problem (Short Communication).. Aequationes mathematicae, Tome 19 (1979), pp. 315-316. http://geodesic.mathdoc.fr/item/AM2_1979__19_136842/