@article{JTNB_2002__14_1_325_0,
     author = {Schertz, Reinhard},
     title = {Weber's class invariants revisited},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {325--343},
     publisher = {Universit\'e Bordeaux I},
     volume = {14},
     number = {1},
     year = {2002},
     mrnumber = {1926005},
     zbl = {1022.11056},
     language = {en},
     url = {http://www.numdam.org/item/JTNB_2002__14_1_325_0/}
}