Last update: Sat Oct 14 02:51:54 MDT 2017
@Article{Jorgens:1973:LBE, author = "Konrad J{\"o}rgens and Joachim Weidmann", title = "A lower bound of the essential spectrum", journal = j-LECT-NOTES-MATH, volume = "313", pages = "78--86", year = "1973", CODEN = "LNMAA2", DOI = "https://doi.org/10.1007/BFb0060831", ISBN = "3-540-06151-7 (print), 3-540-38354-9 (e-book)", ISBN-13 = "978-3-540-06151-9 (print), 978-3-540-38354-3 (e-book)", ISSN = "0075-8434 (print), 1617-9692 (electronic)", ISSN-L = "0075-8434", bibdate = "Fri May 9 19:07:13 MDT 2014", bibsource = "http://www.math.utah.edu/pub/tex/bib/lnm1970.bib", URL = "http://link.springer.com/chapter/10.1007/BFb0060831/", acknowledgement = ack-nhfb, book-DOI = "https://doi.org/10.1007/BFb0060821", book-URL = "http://www.springerlink.com/content/978-3-540-38354-3", fjournal = "Lecture Notes in Mathematics", journal-URL = "http://link.springer.com/bookseries/304", }