@article{10_4153_CJM_2005_037_5,
     author = {Borwein, Jonathan M. and Wang, Xianfu},
     title = {Cone-Monotone {Functions:} {Differentiability} and {Continuity}},
     journal = {Canadian journal of mathematics},
     pages = {961--982},
     year = {2005},
     volume = {57},
     number = {5},
     doi = {10.4153/CJM-2005-037-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-037-5/}
}