@article{10_5817_AM2017_4_221,
     author = {Sedl\'a\v{c}ek, Vladim{\'\i}r},
     title = {Circular units of real abelian fields with four ramified primes},
     journal = {Archivum mathematicum},
     pages = {221--252},
     publisher = {mathdoc},
     volume = {53},
     number = {4},
     year = {2017},
     doi = {10.5817/AM2017-4-221},
     mrnumber = {3733068},
     zbl = {06819527},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.5817/AM2017-4-221/}
}