@article{JTNB_2016__28_2_325_0,
     author = {Humio Ichimura and Hiroki Sumida-Takahashi},
     title = {Normal integral basis of an unramified quadratic extension over a cyclotomic $\mathbb{Z}_2$-extension},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {325--345},
     publisher = {Soci\'et\'e Arithm\'etique de Bordeaux},
     volume = {28},
     number = {2},
     year = {2016},
     doi = {10.5802/jtnb.942},
     zbl = {1358.11120},
     language = {en},
     url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.942/}
}