%0 Journal Article %A M. A. Chahkiev %T Exponential polynomials of least deviation from zero and optimal quadrature formulas %J Sbornik. Mathematics %D 1984 %P 273-285 %V 48 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1984_48_1_a15/ %G en %F SM_1984_48_1_a15