@article{KJM_2016_40_2_a2,
     author = {Slavko Simi\'c},
     title = {On a {Convexity} {Property}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {166 },
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2016_40_2_a2/}
}