BibTex format
@article{Liebeck:2014:10.1090/S0002-9939-2014-12203-9,
author = {Liebeck, MW and Shalev, A},
doi = {10.1090/S0002-9939-2014-12203-9},
journal = {PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY},
pages = {3757--3760},
title = {POWER SETS AND SOLUBLE SUBGROUPS},
url = {http://dx.doi.org/10.1090/S0002-9939-2014-12203-9},
volume = {142},
year = {2014}
}