Kreyszig, Erwin.
Introductory Functional Analysis with Applications - New York John Wiley and Sons 1978 - p.688
047103729X
Metric Spaces Linear Spectral
517.5 K96I
Introductory Functional Analysis with Applications - New York John Wiley and Sons 1978 - p.688
047103729X
Metric Spaces Linear Spectral
517.5 K96I