Deutsch - Best Approximation in Inner Product Spaces - New hardback or - X555z

Mlak - Hilbert Spaces and Operator Theory - New hardback or cased book - X555z

Gigli - Measure Theory in Non-Smooth Spaces - New hardback or cased bo - X555z

Langer - Operator Theory and Indefinite Inner Product Spaces Present - X555z

Batten - Theory of Finite Linear Spaces - New hardback or cased book - X555z

Feintuch - Robust Control Theory in Hilbert Space - New hardback or ca - X555z

Kubrusly - Elements of Operator Theory - New hardback or cased book - X555z

Kay - Classical Topics in Complex Function Theory - New hardback or ca - X555z