%0 Journal Article %A V. P. Kalashnikov %T A new method of magnetic susceptibility in the theory of linear response %J Doklady Akademii Nauk %D 1974 %P 59-62 %V 219 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_219_1_a13/ %G ru %F DAN_1974_219_1_a13