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[1] Faddeev L. D., Trudy MIAN, 73, 1964, 292–313 | MR | Zbl
[2] Pavlov B. S., Petras S. V., “O singulyarnom spektre slabo vozmuschennogo operatora umnozheniya”, Funkts. analiz i ego pril., 4:2 (1970), 54–61 | MR | Zbl
[3] Naboko S. N., “Uniqueness theorems for operator-valued functions with positive imaginary part, and the singular spectrum in the selfadjoint Friedrichs model”, Ark. Mat., 25:1 (1987), 115–140 | DOI | MR | Zbl
[4] Mikityuk Ya. V., DAN SSSR, 303:1 (1988), 33–36 | MR
[5] Yakovlev S. I., “Polunasledstvennye sleva, polutsepnye sleva koltsa”, Vestnik LGU, ser. 1, 1990, no. 3, 116–117 | MR
[6] Naboko S. N., Yakovlev S. I., “Ob usloviyakh konechnosti singulyarnogo spektra v samosopryazhennoi modeli Fridrikhsa”, Funkts. analiz i ego pril., 24:4 (1990), 88–89 | MR | Zbl
[7] Yakovlev S. I., Dep. v VINITI, No2050-V ot 17.05.91
[8] Dynkin E. M., Naboko S. N., Yakovlev S. I., “Granitsa konechnosti singulyarnogo spektra v samosopryazhennoi modeli Fridrikhsa”, Algebra i analiz, 3:2 (1991), 77–90 | MR
[9] Yakovlev S. I., Preprint IPRT No 48–94, December 1994
[10] Yakovlev S. I., “Singulyarnyi spektr v okrestnosti osoboi tochki operatorov modeli Fridrikhsa”, Funkts. analiz i ego pril., 30:1 (1996), 92–95 | DOI | MR | Zbl