On the lack of observability for wave equations: A Gaussian beam approach
ISSN: 0921-7134
Année de publication: 2002
Volumen: 32
Número: 1
Pages: 1-26
Type: Article
ISSN: 0921-7134
Année de publication: 2002
Volumen: 32
Número: 1
Pages: 1-26
Type: Article