@article{10_1017_S0017089500032407,
     author = {Akhavan-Malayeri, Mehri and Rhemtulla, Akbar},
     title = {Commutator length of abelian-by-nilpotent groups},
     journal = {Glasgow mathematical journal},
     pages = {117--121},
     year = {1998},
     volume = {40},
     number = {1},
     doi = {10.1017/S0017089500032407},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032407/}
}