@article{IVM_2014_10_a8,
     author = {I. R. Kayumov and D. V. Maklakov and F. D. Kayumov},
     title = {Estimates of a~spectrum of the integral means for lacunary series},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--85},
     publisher = {mathdoc},
     number = {10},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_10_a8/}
}