%0 Journal Article %A Ernest X. W. Xia %T On the number of representations of a positive integer by certain quadratic forms %J Colloquium Mathematicum %D 2014 %P 139-145 %V 135 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm135-1-11/ %R 10.4064/cm135-1-11 %G en %F 10_4064_cm135_1_11