@article{AL_1966_5_4_a3,
     author = {Yu. N. Mukhin},
     title = {Projection of pure nilpotent groups},
     journal = {Algebra i logika},
     pages = {43--54},
     year = {1966},
     volume = {5},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1966_5_4_a3/}
}