@article{GDZPPN002227940,
title = {Note on the class-number of the maximal real subfield of a cyclomatic field.},
journal = {Manuscripta mathematica},
volume = {58},
year = {1987},
pages = {215-228},
zbl = {0602.12002},
url = {http://dml.mathdoc.fr/item/GDZPPN002227940}
}
Osada, Hiroyuki. Note on the class-number of the maximal real subfield of a cyclomatic field.. Manuscripta mathematica, Tome 58 (1987) pp. 215-228. http://gdmltest.u-ga.fr/item/GDZPPN002227940/