@article{MZM_1970_8_5_a7,
     author = {B. V. Pannikov},
     title = {Convergence of {Riemann} sums for functions which can be represented by trigonometric series with coefficients forming a~monotonic sequence},
     journal = {Matemati\v{c}eskie zametki},
     pages = {607--618},
     publisher = {mathdoc},
     volume = {8},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1970_8_5_a7/}
}