@article{10_4153_CJM_1990_015_1,
     author = {Drensky, Vesselin and Gupta, C. K.},
     title = {Automorphisms of {Free} {Nilpotent} {Lie} {Algebras}},
     journal = {Canadian journal of mathematics},
     pages = {259--279},
     year = {1990},
     volume = {42},
     number = {2},
     doi = {10.4153/CJM-1990-015-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-015-1/}
}