@article{TRSPY_2013_280_a18,
     author = {A. Yu. Popov and S. A. Telyakovskii},
     title = {Estimate for the integral of the absolute value of a~sine series with monotone coefficients},
     journal = {Informatics and Automation},
     pages = {270--274},
     publisher = {mathdoc},
     volume = {280},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2013_280_a18/}
}