@article{AUCMP_1999__40_2_a8,
     author = {Kominek, Z. and Zgraja, T.},
     title = {Convex functions with respect to logarithmic mean and {\cyrdze}andwich theorem},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {75--78},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1999},
     mrnumber = {1751543},
     zbl = {0976.26003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1999__40_2_a8/}
}