%0 Journal Article %A R. R. Loide %T Foldy-Wouthuysen transformation for equations connected to the de Sitter group %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 42-50 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_23_1_a4/ %G ru %F TMF_1975_23_1_a4