%0 Journal Article %A Yu. L. Ershov %T Eliminability of quantifiers in regularly closed fields %J Doklady Akademii Nauk %D 1981 %P 16-20 %V 258 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_1_a1/ %G ru %F DAN_1981_258_1_a1