Revised papers from a course held at Erice, Italy, Feb. 16-22, 1977, and sponsored by the Majorana Centre, the Domus Galilaeana, and the Istituto dell...
Revised papers from a course held at Erice, Italy, Feb. 16-22, 1977, and sponsored by the Majorana Centre, the Domus Galilaeana, and the Istituto della Enciclopedia italiana.