@article{CM_1982__47_1_31_0,
     author = {Yager, Rodney I.},
     title = {A {Kummer} criterion for imaginary quadratic fields},
     journal = {Compositio Mathematica},
     pages = {31--42},
     publisher = {Martinus Nijhoff Publishers},
     volume = {47},
     number = {1},
     year = {1982},
     mrnumber = {668779},
     zbl = {0506.12008},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1982__47_1_31_0/}
}