@Article{OrloGorddeWe09,
author = {Yury L. Orlovich and Valery S. Gordon and Dominique de Werra },
title = {On the inapproximability of independent domination in 2P3-free perfect graphs },
journal = {Theoretical Computer Science},
volume = {410},
number = {8-10},
pages = {977-982},
doi = {10.1016/j.tcs.2008.11.023 },
year = {2009}
}