@article{DAN_1987_292_2_a0,
     author = {E. I. Zel'manov},
     title = {Engel {Lie} algebras},
     journal = {Doklady Akademii Nauk},
     pages = {265--268},
     publisher = {mathdoc},
     volume = {292},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_2_a0/}
}