@article{1250518602,
author = {Murai, Masafumi},
title = {Normal subgroups and heights of characters},
journal = {J. Math. Kyoto Univ.},
volume = {36},
number = {4},
year = {1996},
pages = { 31-43},
language = {en},
url = {http://dml.mathdoc.fr/item/1250518602}
}
Murai, Masafumi. Normal subgroups and heights of characters. J. Math. Kyoto Univ., Tome 36 (1996) no. 4, pp. 31-43. http://gdmltest.u-ga.fr/item/1250518602/