@article{IVM_2013_10_a2,
     author = {B. V. Simonov},
     title = {Sine and cosine series in $L_\varphi$ classes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {24--42},
     publisher = {mathdoc},
     number = {10},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2013_10_a2/}
}