Aspetti non perturbativi della Teoria delle Stringhe
arXiv:hep-th/0111284
Abstract
Unabridged version of the Thesis presented to the University of L' Aquila, in partial fulfillment of the requirements for the ``Laurea'' degree in Physics, October 1998. Work carried out at the University of L'Aquila and at the University of Rome ``Tor Vergata''.
In Italian