%0 Journal Article %A Stewart, James %T Functions with a Finite Number of Negative Squares %J Canadian mathematical bulletin %D 1972 %P 399-410 %V 15 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-073-9/ %R 10.4153/CMB-1972-073-9 %F 10_4153_CMB_1972_073_9