@article{VMUMM_1996_1_a5,
     author = {A. G. Savushkina},
     title = {The center of a colored braid group},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {32--36},
     year = {1996},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1996_1_a5/}
}