@article{MS2_1989__64_2_186124,
     author = {Derek W. Robinson},
     title = {Commutators and generators {II.}},
     journal = {Mathematica Scandinavica},
     pages = {87--108},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     zbl = {0706.47025},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__64_2_186124/}
}