Operator Theory and Indefinite Inner Product Spaces Presented on the occasion of the retirement of Heinz Langer in the Colloquium on Operator Theory, Vienna, March 2004 - Langer, Matthias; Luger, Annemarie; Woracek, Harald; SpringerLink (Online service) (Basel : Birkhäuser Basel, 2006)
Keywords: Mathematics; Matrix theory; Functional analysis; Integral equations; Operator theory; Mathematics; Operator Theory; Linear and Multilinear Algebras, Matrix Theory; Functional Analysis; Integral Equations