%0 Journal Article %A Cook, R. J. %T Indefinite quadratic polynomials %J Glasgow mathematical journal %D 1983 %P 133-138 %V 24 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005206/ %R 10.1017/S0017089500005206 %F 10_1017_S0017089500005206