%0 Journal Article %A A. E. Tumanov %T Finite-dimensionality of the group of $CR$~automorphisms of a~standard $CR$~manifold, and proper holomorphic mappings of Siegel domains %J Izvestiya. Mathematics %D 1989 %P 655-662 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1989_32_3_a9/ %G en %F IM2_1989_32_3_a9