@article{MZM_2003_74_6_a7,
     author = {A. Yu. Popov},
     title = {Estimates of the {Sums} of {Sine} {Series} with {Monotone} {Coefficients} of {Certain} {Classes}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {877--888},
     publisher = {mathdoc},
     volume = {74},
     number = {6},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_74_6_a7/}
}