@article{TM_2022_319_a9,
     author = {M. I. Dyachenko and S. Yu. Tikhonov},
     title = {Piecewise {General} {Monotone} {Functions} and the {Hardy--Littlewood} {Theorem}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {120--133},
     publisher = {mathdoc},
     volume = {319},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2022_319_a9/}
}