@article{SM_1985_52_2_a4,
     author = {E. I. Zel'manov},
     title = {Lie~algebras with a~finite gradation},
     journal = {Sbornik. Mathematics},
     pages = {347--385},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1985_52_2_a4/}
}