@article{IVM_1970_5_a2,
     author = {V. V. Zhuk},
     title = {Some relations between moduli of continuity and functionals defined on sets of periodic functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {24--33},
     publisher = {mathdoc},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_5_a2/}
}