@article{DAN_1961_141_2_a10,
     author = {I. A. Ibragimov},
     title = {Estimate of the spectrum of a stationary {Gaussian} process},
     journal = {Doklady Akademii Nauk},
     pages = {296--299},
     publisher = {mathdoc},
     volume = {141},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_2_a10/}
}