@article{MTA_2019_4_2_a3,
     author = {Jean Saint Raymond},
     title = {A theorem on variational inequalities for affine mappings},
     journal = {Minimax theory and its applications},
     year = {2019},
     volume = {4},
     number = {2},
     zbl = {07125120},
     url = {http://geodesic.mathdoc.fr/item/MTA_2019_4_2_a3/}
}