@article{1183537429, author = {Shapiro, Daniel B.}, title = {Quadratic forms and similarities}, journal = {Bull. Amer. Math. Soc.}, volume = {81}, number = {4}, year = {1975}, pages = { 1122-1124}, language = {en}, url = {http://dml.mathdoc.fr/item/1183537429} }
Shapiro, Daniel B. Quadratic forms and similarities. Bull. Amer. Math. Soc., Tome 81 (1975) no. 4, pp. 1122-1124. http://gdmltest.u-ga.fr/item/1183537429/