On the elimination of infinitesimal Gribov ambiguities in non-Abelian gauge theories Antônio D. Pereira and Rodrigo F. Sobreiro Eur. Phys. J. C, 73 10 (2013) 2584 Published online: 02 October 2013 DOI: 10.1140/epjc/s10052-013-2584-6