%0 Journal Article %A M. A. Chahkiev %T Exponential polynomials deviating least from zero and optimal quadrature formulas %J Doklady Akademii Nauk %D 1981 %P 1309-1312 %V 260 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_260_6_a5/ %G ru %F DAN_1981_260_6_a5