@article{FAA_1985_19_4_a11, author = {V. F. Veselov and S. N. Naboko}, title = {Determinant of the characteristic function of a non-self-adjoint operator}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {80--81}, publisher = {mathdoc}, volume = {19}, number = {4}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1985_19_4_a11/} }