| Item Description: | 26 papers in English; 17 papers in original Italian version. Τίτλος πρωτοτύπου: Selections. "Published with the support of Unione Mathematica Italiana and Scuola Normale Superiore." |
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| Physical Description: | x, 888 σ. : πορτρ. ; 24 εκ. |
| Bibliography: | Περιέχει βιβλιογραφικές παραπομπές. |
| ISBN: | 9783540261698 3540261699 |