%0 Journal Article %A B. S. Pavlov %T Factorization of a~scattering matrix and the serial structure of its roots %J Izvestiya. Mathematics %D 1973 %P 215-245 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_1_a9/ %G en %F IM2_1973_7_1_a9