Publisher
Springer International Publishing
Reference13 articles.
1. S. Agmon, Lectures on Elliptic Boundary Value Problems (AMS Chelsea Publishing, Providence, RI, 2010)
2. M. Gromov, M.A. Shubin, The Riemann-Roch theorem for elliptic operators. I. M. Gel′fand Seminar, 211–241 (1993)
3. T. Kato, Perturbation Theory for Linear Operators, 2nd edn. (Springer, Berlin, New York, 1976). Grundlehren der Mathematischen Wissenschaften, Band 132
4. P. Kuchment, Floquet Theory for Partial Differential Equations. Operator Theory: Advances and Applications, vol. 60 (Birkhäuser Verlag, Basel, 1993)
5. P. Kuchment, An overview of periodic elliptic operators. Bull. (New Series) Am. Math. Soc. 53(3), 343–414 (2016)