@article{ZNSL_2001_278_a11,
     author = {L. V. Rozovskii},
     title = {On some properties of a mean value},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {204--207},
     publisher = {mathdoc},
     volume = {278},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_278_a11/}
}