@article{TRSPY_1999_227_a8,
     author = {M. I. Zelikin and L. F. Zelikina},
     title = {Exact {Constants} in {Kolmogorov-Type} {Inequalities}},
     journal = {Informatics and Automation},
     pages = {137--145},
     publisher = {mathdoc},
     volume = {227},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1999_227_a8/}
}