@article{TIMM_2006_12_1_a2,
     author = {V. I. Arnol'd},
     title = {Statistics and classification of topologies of periodic functions and trigonometric polynomials},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {15--24},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2006_12_1_a2/}
}