@article{JCA_2017_24_4_JCA_2017_24_4_a12,
     author = {M. Ivanov and N. Zlateva},
     title = {Maximal {Monotonicity} of the {Subdifferential} of a {Convex} {Function:} a {Direct} {Proof}},
     journal = {Journal of convex analysis},
     pages = {1307--1311},
     year = {2017},
     volume = {24},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2017_24_4_JCA_2017_24_4_a12/}
}