@article{PORMA_1971__30_3_115151,
     author = {Dixit, V.N. and Sinha, I.},
     title = {Commutators in certain nilpotent linear groups},
     journal = {Portugaliae mathematica},
     pages = {153--167},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1971},
     mrnumber = {0302780},
     zbl = {0226.20039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1971__30_3_115151/}
}