Beschreibung
Many boundary value problems are equivalent to Au=O (1) where A: X ---+ Y is a mapping between two Banach spaces. When the problem is variational, there exists a differentiable functional 0 and e E X such that lIell > rand inf
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Hersteller:
Springer Basel AG in Springer Science + Business Media
juergen.hartmann@springer.com
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DE 14197 Berlin
