@article{JRAM_1991__416_153318,
     author = {Kay Wingberg},
     title = {On a {Galois} extension with restricted ramification related to the {Selmer} group of an elliptic curve with complex multiplication.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {143--186},
     publisher = {mathdoc},
     volume = {416},
     year = {1991},
     zbl = {0738.11059},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1991__416_153318/}
}