@article{AL_1969_8_6_a0,
     author = {K. K. Andreev},
     title = {Nilpotent groups and {Lie} algebras. {II}},
     journal = {Algebra i logika},
     pages = {625--635},
     publisher = {mathdoc},
     volume = {8},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1969_8_6_a0/}
}