@article{IVM_2012_7_a2,
     author = {V. I. Filippov},
     title = {On the {Kolmogorov} theorems on {Fourier} series and conjugate functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {21--34},
     publisher = {mathdoc},
     number = {7},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2012_7_a2/}
}