TY  - JOUR
AU  - L.J. Mordell
TI  - On binary quadratic forms expressable as a sum of three linear squares with integer coefficients.
JO  - Journal für die reine und angewandte Mathematik
PY  - 1932
SP  - 12
EP  - 19
VL  - 167
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JRAM_1932__167_149786/
ID  - JRAM_1932__167_149786
ER  -