%0 Journal Article %A G. K. Lebed' %T Some inequalities for trigonometric and algebraic polynomials and their derivatives %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %P 142-160 %V 134 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1975_134_a10/ %G ru %F TM_1975_134_a10