@article{TAC_2015_30_a11,
     author = {J. R. A. Gray},
     title = {Normalizers, centralizers and action accessibility},
     journal = {Theory and applications of categories},
     pages = {410--432},
     publisher = {mathdoc},
     volume = {30},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2015_30_a11/}
}