The Stacks project

@ARTICLE{Ihara,
    AUTHOR = "Ihara, Yasutaka",
    TITLE = "How many primes decompose completely in an infinite unramified {G}alois extension of a global field?",
    JOURNAL = "J. Math. Soc. Japan",
    FJOURNAL = "Journal of the Mathematical Society of Japan",
    VOLUME = "35",
    YEAR = "1983",
    NUMBER = "4",
    PAGES = "693--709"
}