%0 Journal Article %A A. Khaitov %A A. I. Mogil'ner %T Bound states of two electrons and a magnon in the $s$-$d$ model %J Doklady Akademii Nauk %D 1989 %P 844-846 %V 308 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_4_a18/ %G ru %F DAN_1989_308_4_a18