@article{ZNSL_2022_516_a4,
     author = {A. Lunev and M. Malamud},
     title = {On characteristic determinants of boundary value problems for {Dirac} type systems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {69--120},
     publisher = {mathdoc},
     volume = {516},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2022_516_a4/}
}