%0 Journal Article %A L. I. Kidalinskaya %A I. I. Kolokol'tceva %A R. G. Proskurina %T Spin representations of the groups of motions of the isotropic and the pseudoisotropic 3-space %J Trudy Geometricheskogo Seminara %D 1974 %P 48-60 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1974_7_a6/ %G ru %F KUTGS_1974_7_a6