%0 Journal Article %A A. S. Shumovskii %A V. I. Yukalov %T An exactly solvable model of ferromagnet with paramagnetic nuclei %J Doklady Akademii Nauk %D 1980 %P 581-583 %V 252 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_252_3_a17/ %G ru %F DAN_1980_252_3_a17