@article{CC_2007_36_4_a1,
     author = {Naniewicz, Zdzis{\l}aw and Nockowska, Magdalena},
     title = {Systems of variational inequalities related to economic equilibrium},
     journal = {Control and Cybernetics},
     pages = {889--909},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {2007},
     zbl = {1227.91026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2007_36_4_a1/}
}