Harmonic Analysis The Wadsworth & Brooks/Cole Mathematics Series Autor Henry Helson 25 apr 1991 Paperback Preț: 375.43 lei 43-57 zile
The Spectral Theorem Lecture Notes in Mathematics, nr. 1227 Autor Henry Helson dec 1986 Paperback Preț: 267.31 lei 43-57 zile
