@article{TM2_2008_XI_1_a1,
     author = {Mila Mr\v{s}evi\'c},
     title = {Convexity of the inverse function},
     journal = {The Teaching of Mathematics},
     pages = {21 },
     publisher = {mathdoc},
     volume = {XI},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2008_XI_1_a1/}
}