%0 Journal Article %A V. B. Demidovich %A G. G. Magaril-Il'yaev %A V. M. Tikhomirov %T Extremal problems for linear functionals on the Tchebycheff spaces %J Fundamentalʹnaâ i prikladnaâ matematika %D 2005 %P 87-100 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2005_11_2_a5/ %G ru %F FPM_2005_11_2_a5