%0 Journal Article %A A. Andreev %A N. Kjurkchiev %T Two-sided Methods for Solving the Polynomial Equation %J Mathematica balkanica %D 1987 %P 72 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1987_1_1_a7/ %F MABA_1987_1_1_a7