@article{bwmeta1.element.desklight-5ca9987e-b89e-4087-a36b-6f55eb2dd4f2,
author = {Jan W\'ojcik},
title = {On sums of three squares},
journal = {Colloquium Mathematicae},
volume = {24},
year = {1971},
pages = {117-119},
zbl = {0225.10052},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-5ca9987e-b89e-4087-a36b-6f55eb2dd4f2}
}
Jan Wójcik. On sums of three squares. Colloquium Mathematicae, Tome 24 (1971) pp. 117-119. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-5ca9987e-b89e-4087-a36b-6f55eb2dd4f2/