@article{MZM_1985_38_5_a2,
     author = {Yu. I. Volkov},
     title = {Monotonicity of sequences of positive linear operators generated by measures},
     journal = {Matemati\v{c}eskie zametki},
     pages = {658--664},
     year = {1985},
     volume = {38},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_5_a2/}
}