%0 Journal Article %A A. I. Shtern %T Restrictions and tensor products of certain irreducible unitary representations of a~pseudo-unitary group of $(3\times 3)$-matrices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 179-180 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_5_a25/ %G en %F RM_1981_36_5_a25