O'Meara, O. T. (1963). Introduction to quadratic forms. Springer.
Lua i Stíl Chicago (17ú heag.)O'Meara, Onorato Timothy. Introduction to Quadratic Forms. Berlin: Springer, 1963.
Lua MLA (8ú heag.)O'Meara, Onorato Timothy. Introduction to Quadratic Forms. Springer, 1963.
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