@article{1102983611,
author = {Fein, Burton},
title = {The Schur index for projective representations of finite groups.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 87-100},
language = {en},
url = {http://dml.mathdoc.fr/item/1102983611}
}
Fein, Burton. The Schur index for projective representations of finite groups.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 87-100. http://gdmltest.u-ga.fr/item/1102983611/