%0 Journal Article %A V. N. Burov %T Some effective methods of solving Chebyshev's problems relative to the best approximation %J Doklady Akademii Nauk %D 1957 %P 731-733 %V 113 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a1/ %G ru %F DAN_1957_113_4_a1