%0 Journal Article %A Ya. Sh. Salimov %T A sharp estimate for the sum of the squares of moduli of root %J Doklady Akademii Nauk %D 1993 %P 705-708 %V 329 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_329_6_a3/ %G ru %F DAN_1993_329_6_a3