Footnote:
Contains appendix (pp. 207 - 222), bibliography, bibliographical references, notes and general index
Incl. exercises with solutions (pp. 223 - 265)
S. Vietri teaches at the University of Salerno. - Contains appendix (pp. 207-222), bibliography, bibliographical references, notes and general index. - Incl. exercises with solutions (pp. 223- 265)