@article{COCV_2016__22_3_728_0,
     author = {Bauschke, Heinz H. and Lucet, Yves and Phan, Hung M.},
     title = {On the convexity of piecewise-defined functions},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {728--742},
     publisher = {EDP-Sciences},
     volume = {22},
     number = {3},
     year = {2016},
     doi = {10.1051/cocv/2015023},
     zbl = {1356.26005},
     mrnumber = {3527941},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv/2015023/}
}