%0 Journal Article %A A. Lunev %A M. Malamud %T On characteristic determinants of boundary value problems for Dirac type systems %J Zapiski Nauchnykh Seminarov POMI %D 2022 %P 69-120 %V 516 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2022_516_a4/ %G ru %F ZNSL_2022_516_a4