@article{10_1017_S0017089500030512, author = {Smith, Howard}, title = {A note on locally soluble, normal closures of cyclic subgroups}, journal = {Glasgow mathematical journal}, pages = {33--36}, year = {1994}, volume = {36}, number = {1}, doi = {10.1017/S0017089500030512}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030512/} }