Eastham, M. S. P. The limit-2n case of symmetric differential operators of order 2n. (English) Zbl 0398.34021 Proc. Lond. Math. Soc., III. Ser. 38, 272-294 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 9 Documents MSC: 34B20 Weyl theory and its generalizations for ordinary differential equations 34L99 Ordinary differential operators Keywords:Symmetric Differential Operators of Order 2n; Limit-N PDF BibTeX XML Cite \textit{M. S. P. Eastham}, Proc. Lond. Math. Soc. (3) 38, 272--294 (1979; Zbl 0398.34021) Full Text: DOI