@article{GDZPPN002391791,
title = {Group characters and commutators.},
journal = {Mathematische Zeitschrift},
volume = {78},
year = {1962},
pages = {122-126},
zbl = {0129.01902},
url = {http://dml.mathdoc.fr/item/GDZPPN002391791}
}
Gallagher, P. X. Group characters and commutators.. Mathematische Zeitschrift, Tome 78 (1962) pp. 122-126. http://gdmltest.u-ga.fr/item/GDZPPN002391791/