%0 Journal Article %A E. N. Yakovlev %T Excitation of the spin system of a ferromagnetic by a spatially non-uniform electromagnetic field %J Doklady Akademii Nauk %D 1960 %P 1067-1069 %V 133 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_5_a19/ %G ru %F DAN_1960_133_5_a19