@article{PA_2019_8_3_a16,
     author = {S. S. Volosivets},
     title = {Double cosine-sine series and {Nikol'skii} classes in uniform metric},
     journal = {Problemy analiza},
     pages = {187--203},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2019_8_3_a16/}
}