%0 Journal Article %A S. P. Ionov %A V. S. Lyubimov %T The anomalous dependence of the sequential ionization energy of %J Doklady Akademii Nauk %D 1991 %P 609-611 %V 320 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_320_3_a20/ %G ru %F DAN_1991_320_3_a20