@article{MZM_2011_89_4_a9,
     author = {A. O. Radomskii},
     title = {On an {Inequality} of {Sidon} {Type} for {Trigonometric} {Polynomials}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {589--595},
     publisher = {mathdoc},
     volume = {89},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2011_89_4_a9/}
}