@article{1183493472,
author = {Bell, E. T.},
title = {Non-existence theorems on the number of representations of arbitrary odd integers as sums of $4r$ squares},
journal = {Bull. Amer. Math. Soc.},
volume = {35},
number = {6},
year = {1929},
pages = { 695-700},
language = {en},
url = {http://dml.mathdoc.fr/item/1183493472}
}
Bell, E. T. Non-existence theorems on the number of representations of arbitrary odd integers as sums of $4r$ squares. Bull. Amer. Math. Soc., Tome 35 (1929) no. 6, pp. 695-700. http://gdmltest.u-ga.fr/item/1183493472/