@article{TIMM_2001_7_1_a13,
     author = {S. B. Stechkin},
     title = {Trigonometric series with monotone type coefficients},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {197--207},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2001_7_1_a13/}
}