@article{JCA_1998_5_1_a8,
     author = {V. Jeyakumar and D. T. Luc and S. Schaible},
     title = {Characterizations of {Generalized} {Monotone} {Nonsmooth} {Continuous} {Maps} {Using} {Approximate} {Jacobians}},
     journal = {Journal of convex analysis},
     pages = {119--132},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/JCA_1998_5_1_a8/}
}