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@article{AL_1986_25_5_a1, author = {M. I. Golovanov}, title = {On the degree of nilpotency of $4${-Engel} {Lie} rings}, journal = {Algebra i logika}, pages = {508--532}, publisher = {mathdoc}, volume = {25}, number = {5}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1986_25_5_a1/} }
M. I. Golovanov. On the degree of nilpotency of $4$-Engel Lie rings. Algebra i logika, Tome 25 (1986) no. 5, pp. 508-532. http://geodesic.mathdoc.fr/item/AL_1986_25_5_a1/