@article{CMH_1942__15_138801,
     author = {Max Gut},
     title = {Zur {Theorie} der {Klassenk\"orper} der {Kreisk\"orper,} insbesondere der {Strahlklassenk\"orper} der quadratisch imagin\"aren {Zahlk\"orper.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {81--119},
     publisher = {mathdoc},
     volume = {15},
     year = {1942},
     zbl = {0027.20004},
     url = {http://geodesic.mathdoc.fr/item/CMH_1942__15_138801/}
}