@article{VMUMM_1993_6_a2,
     author = {A. G. Savushkina},
     title = {On the commutator subgroup of the braid group},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {11--14},
     publisher = {mathdoc},
     number = {6},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_6_a2/}
}