BibTex format
@article{Liebeck:2019:10.1112/blms.12251,
author = {Liebeck, M and Shalev, A},
doi = {10.1112/blms.12251},
journal = {Bulletin of the London Mathematical Society},
pages = {539--546},
title = {Girth, words and diameter},
url = {http://dx.doi.org/10.1112/blms.12251},
volume = {51},
year = {2019}
}