An improvement of a result of I. N. Stewart
de Ruiter, Jan
Compositio Mathematica, Tome 25 (1972), p. 329-333 / Harvested from Numdam
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     author = {de Ruiter, Jan},
     title = {An improvement of a result of I. N. Stewart},
     journal = {Compositio Mathematica},
     volume = {25},
     year = {1972},
     pages = {329-333},
     mrnumber = {318252},
     zbl = {0248.17008},
     language = {en},
     url = {http://dml.mathdoc.fr/item/CM_1972__25_3_329_0}
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de Ruiter, Jan. An improvement of a result of I. N. Stewart. Compositio Mathematica, Tome 25 (1972) pp. 329-333. http://gdmltest.u-ga.fr/item/CM_1972__25_3_329_0/

I.N. Stewart [1] Infinite-dimensional Lie algebras in the spirit of infinite group theory, Compositio Mathematica 22 (1970), pp. 313-331. [2] Lie algebras, Lecture Notes in Mathematics Vol. 127 (1970). | Numdam | MR 288159 | Zbl 0204.36001

P.J. Higgins [3] Lie rings satisfying the Engel condition, Proc. Camb. Phil. Soc. 50 (1954), pp. 8-15. | MR 59890 | Zbl 0055.02601