%0 Journal Article %A Q.I. Rahman %T Extremal Properties of the Successive Derivatives of Polynomials and Rational Functions. %J Mathematica Scandinavica %D 1964 %P 121-130 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1964__15_165896/ %F MS2_1964__15_165896