%0 Journal Article %A E. B. Plotkin %T On parabolic subgroups of ${}^3D_4(R)$ %J Zapiski Nauchnykh Seminarov POMI %D 1980 %P 106-113 %V 103 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1980_103_a14/ %G ru %F ZNSL_1980_103_a14