@article{MO_2017_4_a2,
     author = {V. I. Voytitsky},
     title = {Functional mean values of a set of real numbers, their comparison and properties},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {12--19},
     year = {2017},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2017_4_a2/}
}