TY  - INPR
A1  - Tarkhanov, Nikolai Nikolaevich
T1  - Unitary solutions of partial differential equations
N2  - We give an explicit construction of a fundamental solution for an arbitrary non-degenerate partial differential equation with smooth coefficients.
T3  - Preprint - (2005) 09 
KW  - fundamental solution
KW  - geometric optics approximation
Y1  - 2009
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/2817
UR  - https://nbn-resolving.org/urn:nbn:de:kobv:517-opus-29852
ER  -