%0 Journal Article %A V. N. Tutubalin %T Multimode waveguides and probability distributions on a~symplectic group %J Teoriâ veroâtnostej i ee primeneniâ %D 1971 %P 649-659 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1971_16_4_a3/ %G ru %F TVP_1971_16_4_a3