@article{MZM_2012_92_3_a8,
     author = {G. Ivanov and E. S. Polovinkin},
     title = {A {Generalization} of the {Set} {Averaging} {Theorem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {410--416},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_3_a8/}
}