%0 Journal Article %A A. M. Prokhorov %A Yu. M. Gufan %A E. G. Rudashevskiǐ %A V. B. Shirokov %T The theory of magnetic structures in the exchange approximation %J Doklady Akademii Nauk %D 1988 %P 604-607 %V 302 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_302_3_a21/ %G ru %F DAN_1988_302_3_a21