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[1] Grisvard P., Geymonat G., Rend. Sem. Mat. Univ. Padova, 38 (1967), 127–173 | MR
[2] Roitberg Ya.A., Sheftel 3.G., Ukrainskii matem. zh., 19:1 (1967), 115–120 | MR | Zbl
[3] Agmon S., Douglis A., Nirenberg L., Comm. Pure Appl. Math., 12 (1959), 623–727 | DOI | MR | Zbl
[4] Seeley R.T., Studia Math., XLIV (1972), 47–60 | DOI | MR
[5] Danford H., Shvarts Dzh., Lineinye operatory, Spektralnaya teoriya, Mir, M., 1966
[6] Agmon S., Comm. Pure Appl. Math., 15 (1962), 119–147 | DOI | MR | Zbl
[7] Agmon S., Nirenberg L., Comm. Pure Appl. Math., 16 (1963), 121–239 | DOI | MR | Zbl
[8] Agranovich M.C., Vishik M.I., UMN, 19:3 (1964), 53–161 | MR | Zbl
[9] Shkalikov A.A., Trudy sem. im. I.G. Petrovskogo, 9, Izd-vo MGU, M., 1983
[10] Yakubov S.Ya., Revue Roum. Math. Pures Appl., 31:5 (1986), 423–428 | MR
[11] Yakubov C.Ya., Izv. AH SSSR. ser. matem., 50:2 (1986), 425–432 | MR
[12] Yakubov S.Ya., Izv. AN AzSSR, 1987, no. 2, 42–46 | MR | Zbl
[13] Shkred V.A., Ekstremalnye zadachi, funktsion. analiz i ikh pril., Izd-vo MGU, M., 1988, 106–109
[14] Markus A.S., Vvedenie v spektralnuyu teoriyu polinomialnykh operatornykh puchkov, Shtiintsa, Kishinev, 1986 | MR | Zbl