%0 Journal Article %A I. K. Kudryavtsev %A A. S. Shumovskii %T The contribution of the spin-phonon interaction to the thermodynamics of a spin system %J Doklady Akademii Nauk %D 1977 %P 1293-1295 %V 232 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_232_6_a15/ %G ru %F DAN_1977_232_6_a15