@article{ZNSL_1989_175_a6,
     author = {R. Kucera},
     title = {The basis of the {Stickelberger} ideal and the system of principal circular units of the cyclotomic field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {69--74},
     year = {1989},
     volume = {175},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_175_a6/}
}