@article{1256059468,
author = {Held, Dieter},
title = {Closure properties and partial Engel conditions in groups},
journal = {Illinois J. Math.},
volume = {8},
number = {4},
year = {1964},
pages = { 705-712},
language = {en},
url = {http://dml.mathdoc.fr/item/1256059468}
}
Held, Dieter. Closure properties and partial Engel conditions in groups. Illinois J. Math., Tome 8 (1964) no. 4, pp. 705-712. http://gdmltest.u-ga.fr/item/1256059468/