@article{1183503795, author = {Pall, Gordon}, title = {The construction of positive ternary quadratic forms}, journal = {Bull. Amer. Math. Soc.}, volume = {47}, number = {11}, year = {1941}, pages = { 641-650}, language = {en}, url = {http://dml.mathdoc.fr/item/1183503795} }
Pall, Gordon. The construction of positive ternary quadratic forms. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 641-650. http://gdmltest.u-ga.fr/item/1183503795/