Generalized sum rules of the nucleon in the constituent quark model M. Gorchtein, D. Drechsel, M. Giannini and E. Santopinto Eur. Phys. J. A, 19 3 (2004) 77-79 Published online: 12 February 2004 DOI: 10.1140/epjad/s2004-03-013-1