%0 Journal Article %A N. A., Hall %T Binary Quadratic Discriminants with a Single Class of Forms in Each Genus %J Mathematische Zeitschrift %D 1939 %P 85-90 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1939__44_168793/ %F MZ_1939__44_168793