Quark–gluon vertex in general kinematics A. Kızılersü, D.B. Leinweber, J.-I. Skullerud and A.G. Williams Eur. Phys. J. C, 50 4 (2007) 871-875 Published online: 13 March 2007 DOI: 10.1140/epjc/s10052-007-0250-6