BibTex format
@article{Evans:1997:10.1006/jabr.1996.6987,
author = {Evans, DM},
doi = {10.1006/jabr.1996.6987},
journal = {Journal of Algebra},
pages = {214--238},
title = {Computation of first cohomology groups of finite covers},
url = {http://dx.doi.org/10.1006/jabr.1996.6987},
volume = {193},
year = {1997}
}