BibTex format
@article{Skorobogatov:2007:10.1134/S0001434607010099,
author = {Skorobogatov, AN},
doi = {10.1134/S0001434607010099},
journal = {MATHEMATICAL NOTES},
pages = {97--107},
title = {On the elementary obstruction to the existence of rational points},
url = {http://dx.doi.org/10.1134/S0001434607010099},
volume = {81},
year = {2007}
}