@article{10_4153_CJM_1970_099_2,
     author = {Gupta, Narain},
     title = {On {Metanilpotent} {Varieties} of {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {875--877},
     year = {1970},
     volume = {22},
     number = {4},
     doi = {10.4153/CJM-1970-099-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-099-2/}
}