Strong-coupling study of the Gribov ambiguity in lattice Landau gauge Axel Maas, Jan M. Pawlowski, Daniel Spielmann, André Sternbeck and Lorenz von Smekal Eur. Phys. J. C, 68 1-2 (2010) 183-195 Published online: 13 April 2010 DOI: 10.1140/epjc/s10052-010-1306-6