@article{IVM_1969_7_a4,
     author = {V. \`E. Gheit},
     title = {Structural and constructive properties of sine and cosine series with monotone sequence of {Fourier} coefficients},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {39--47},
     publisher = {mathdoc},
     number = {7},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1969_7_a4/}
}