@article{VMUMM_1987_2_a9,
     author = {V. I. Bakhtin},
     title = {A strengthened extremal property of {Chebyshev} polynomials},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--46},
     year = {1987},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_2_a9/}
}