@article{FAA_1969_3_4_a0,
     author = {V. M. Brodskii and I. Ts. Gokhberg and M. G. Krein},
     title = {General theorems on triangular representations of linear operators and multiplications of their characteristic functions},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--27},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1969_3_4_a0/}
}