@article{LJM_2003_13_a6,
     author = {I. V. Konnov and O. V. Pinyagina},
     title = {$D$-gap functions and descent methods for a~class of monotone equilibrium problems},
     journal = {Lobachevskii journal of mathematics},
     pages = {57--65},
     year = {2003},
     volume = {13},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2003_13_a6/}
}