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@article{10_4064_cm_24_1_117_119, author = {Jan W\'ojcik}, title = {On sums of three squares}, journal = {Colloquium Mathematicum}, pages = {117--119}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1971}, doi = {10.4064/cm-24-1-117-119}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-24-1-117-119/} }
Jan Wójcik. On sums of three squares. Colloquium Mathematicum, Tome 24 (1971) no. 1, pp. 117-119. doi : 10.4064/cm-24-1-117-119. http://geodesic.mathdoc.fr/articles/10.4064/cm-24-1-117-119/
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