%0 Journal Article %A I. V. Konnov %A O. V. Pinyagina %T $D$-gap functions and descent methods for a~class of monotone equilibrium problems %J Lobachevskii journal of mathematics %D 2003 %P 57-65 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2003_13_a6/ %G en %F LJM_2003_13_a6