@article{JCA_1996_3_1_a5,
     author = {W. Oettli and M. Yamasaki},
     title = {Existence of {Feasible} {Potentials} on {Infinite} {Networks}},
     journal = {Journal of convex analysis},
     pages = {071--082},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1996},
     url = {http://geodesic.mathdoc.fr/item/JCA_1996_3_1_a5/}
}