%0 Journal Article %A Chalk, J. H. H. %T Small Positive Values of Indefinite Quadratic Forms %J Canadian mathematical bulletin %D 1963 %P 331-339 %V 6 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1963-027-7/ %R 10.4153/CMB-1963-027-7 %F 10_4153_CMB_1963_027_7