Editing Pseudo-differential operator (section)

==Further reading==
* Nicolas Lerner,  ''Metrics on the phase space and non-selfadjoint pseudo-differential operators''. Pseudo-Differential Operators. Theory and Applications, 3. Birkhäuser Verlag, Basel, 2010. 
* [[Michael E. Taylor]], Pseudodifferential Operators, Princeton Univ. Press 1981. {{ISBN|0-691-08282-0}}
* M. A. Shubin, Pseudodifferential Operators and Spectral Theory, Springer-Verlag 2001. {{ISBN|3-540-41195-X}}
* [[Francois Treves]], Introduction to Pseudo Differential and Fourier Integral Operators, (University Series in Mathematics), Plenum Publ. Co. 1981. {{ISBN|0-306-40404-4}}
*  F. G. Friedlander and M. Joshi, Introduction to the Theory of Distributions, Cambridge University Press 1999. {{ISBN|0-521-64971-4}}
* {{cite book
|first=Lars
|last=Hörmander
|authorlink= Lars Hörmander
|title=The Analysis of Linear Partial Differential Operators III: Pseudo-Differential Operators
|year=1987
|publisher=Springer
|isbn=3-540-49937-7}}
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* Ingerman D.V. and Morrow J.A., [http://www.math.washington.edu/~morrow/papers/imrev.pdf "On a characterization of the kernel of the Dirichlet-to-Neumann map for a planar region"], ''SIAM J. Math. Anal.'' 1998, vol.&nbsp;29, no.&nbsp;1, pp.&nbsp;106–115 (electronic).
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* André Unterberger, ''Pseudo-differential operators and applications: an introduction''. Lecture Notes Series, 46. Aarhus Universitet, Matematisk Institut, Aarhus, 1976.