×

On the essential spectrum of partial differential boundary problems. (English) Zbl 0087.30501


PDFBibTeX XMLCite
Full Text: DOI

References:

[1] Schechter, Amer. J, Math. 79 pp 431– (1957)
[2] Keldysh, Doklady Akad. Nauk SSSR 77 pp 181– (1951)
[3] Mihlin, Vestnik Leningrad Univ. 8 pp 19– (1954)
[4] Vishik, Mat. Sbornik 35 pp 513– (1954)
[5] Gokhberg, Uspehi Matem. Nauk 12 pp 43– (1957)
This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.