%0 Journal Article %A V. I. Danchenko %T An integral estimate for the derivative of a rational function %J Izvestiya. Mathematics %D 1980 %P 257-273 %V 14 %N 2 %U http://geodesic.mathdoc.fr/item/IM2_1980_14_2_a2/ %G en %F IM2_1980_14_2_a2