@article{MZM_1991_50_3_a4,
     author = {P. A. Zusmanovich},
     title = {A~Lie algebra that can be written as a sum of two nilpotent subalgebras is solvable},
     journal = {Matemati\v{c}eskie zametki},
     pages = {38--43},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_3_a4/}
}