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@article{FAA_1983_17_4_a13, author = {I. S. Kats}, title = {Linear relations generated by canonical differential equations}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {86--87}, publisher = {mathdoc}, volume = {17}, number = {4}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1983_17_4_a13/} }
I. S. Kats. Linear relations generated by canonical differential equations. Funkcionalʹnyj analiz i ego priloženiâ, Tome 17 (1983) no. 4, pp. 86-87. http://geodesic.mathdoc.fr/item/FAA_1983_17_4_a13/
[1] Gokhberg I.Ts., Krein M.G., Teoriya volterrovykh operatorov v gilbertovykh prostranstvakh i ee prilozheniya, Nauka, M., 1967
[2] Langer H., Textorius B., Proc. Roy. Soc. Edinburgh, 81A (1978), 237–246 | DOI | MR
[3] Coddington E.A., Mem. Amer. Math. Soc., 134, 1973, 1–80 | MR
[4] Krein M.G., Sb. trudov in-ta matem. AN USSR, 1948, no. 10, 83–105 | MR
[5] De Branges L., Hilbert spaces of entire functions, Prentice Hall, New Jersy, 1967 | MR