%0 Journal Article %A V. S. Buslaev %T On trace formulas in multi-canal problems %J Zapiski Nauchnykh Seminarov POMI %D 1972 %P 47-66 %V 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1972_27_a4/ %G ru %F ZNSL_1972_27_a4