@article{01924516,
title = {Some algebraic applications of graded categorical group theory.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {11},
year = {2003},
pages = {215-251},
zbl = {1019.18004},
language = {en},
url = {http://dml.mathdoc.fr/item/01924516}
}
Cegarra, A.M.; Garzón, A.R. Some algebraic applications of graded categorical group theory.. Theory and Applications of Categories [electronic only], Tome 11 (2003) pp. 215-251. http://gdmltest.u-ga.fr/item/01924516/