A reconsideration of the "three squares" problem.
Laird, P.G.
Aequationes mathematicae, Tome 20 (1980), p. 98-104 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1980-01-01
EUDML-ID : urn:eudml:doc:182419 
@article{GDZPPN002550296,
     title = {A reconsideration of the "three squares" problem.},
     journal = {Aequationes mathematicae},
     volume = {20},
     year = {1980},
     pages = {98-104},
     zbl = {0456.39005},
     url = {http://dml.mathdoc.fr/item/GDZPPN002550296}
}

Laird, P.G. A reconsideration of the "three squares" problem.. Aequationes mathematicae, Tome 20 (1980) pp. 98-104. http://gdmltest.u-ga.fr/item/GDZPPN002550296/