@article{TM_2005_248_a6,
     author = {S. V. Bochkarev},
     title = {New {Inequalities} in the {Littlewood{\textendash}Paley} {Theory} and {Estimates} of the~$L_1$ {Norm} of {Trigonometric} {Series} and {Polynomials}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {64--73},
     year = {2005},
     volume = {248},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2005_248_a6/}
}