%0 Journal Article %A Yager, Rodney I. %T A Kummer criterion for imaginary quadratic fields %J Compositio Mathematica %D 1982 %P 31-42 %V 47 %N 1 %I Martinus Nijhoff Publishers %U http://archive.numdam.org/item/CM_1982__47_1_31_0/ %G en %F CM_1982__47_1_31_0