@article{TRSPY_2018_303_a11,
     author = {B. S. Kashin and Yu. V. Malykhin and K. S. Ryutin},
     title = {Kolmogorov width and approximate rank},
     journal = {Informatics and Automation},
     pages = {155--168},
     publisher = {mathdoc},
     volume = {303},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2018_303_a11/}
}