%0 Journal Article %A N. N. Sirota %A I. D. Lomako %A V. M. Lomako %T Rotation of a polarization plane in some ortho-ferrites of the samarium -- terbium system %J Doklady Akademii Nauk %D 1976 %P 1105-1108 %V 229 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1976_229_5_a18/ %G ru %F DAN_1976_229_5_a18