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1
by Helffer, Bernard
Published 2013
Cambridge University Press
“...Bernard Helffer's graduate-level introduction to the basic tools in spectral analysis...”
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2
by Helffer, Bernard
Published 1988
Springer Berlin Heidelberg
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6
Published 2015
Springer International Publishing
Table of Contents: “... Cauchy-Kovalvsky Theorem for Nonlinear and Nonlocal Equations -- 6 Pierre Berard and Bernard Helffer...”
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7
Published 2019
Springer International Publishing
Table of Contents: “... Operator with Complex Electric Potential (Bernard Helffer and Jean Nourrigat) -- Matrix Limit Theorems...”
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8
Published 2010
Springer New York