@article{ISU_2022_22_4_a2,
     author = {B. V. Simonov and I. E. Simonova and V. A. Ivanyuk},
     title = {Kolyada inequality for partial moduli of smoothness of functions with lacunary {Fourier} coefficients},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {447--457},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2022_22_4_a2/}
}