@article{10_14712_1213_7243_2015_153,
     author = {Kry\v{s}tof, V\'aclav and Zaj{\'\i}\v{c}ek, Lud\v{e}k},
     title = {Differences of two semiconvex functions on the real line},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {21--37},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2016},
     doi = {10.14712/1213-7243.2015.153},
     mrnumber = {3478336},
     zbl = {06562193},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.153/}
}