Subject
Applied Mathematics,Analysis
Reference13 articles.
1. On spectral theory of elliptic differential operators, I;Browder;Math. Ann.,1961
2. Üeber die Spektralzerlegung eines Integral operators;Friedrichs;Math. Ann.,1938
3. Unbounded Linear Operators;Goldberg,1966
4. On essential spectrum;Gustafson;J. Math. Anal. Appl.,1969
5. Perturbation Theory of Linear Operators;Kato,1966