@article{TM_2005_248_a21,
     author = {V. D. Stepanov},
     title = {An {Extremal} {Property} of {Chebyshev} {Polynomials}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {237--249},
     publisher = {mathdoc},
     volume = {248},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2005_248_a21/}
}