Dispersion relations and their connection with causality / 
 Relazioni di dispersione e loro rapporti con il principio della causalita 
Ed. by E.P. Wigner. 
 - New York :  Academic Press,  1964. 
 - xvi, 256 p.  ill., group port. 
 - Its Proceedings  Course 29 .
 - International School of Physics "Enrico Fermi."  Proceedings of the International School of Physics "Enrico Fermi"  Course 29. .
<br/><br/> At head of title: Italian Physical Society  Added t.p. in Italian  Course held 15th July-3rd August 1963 
<br/><br/>Includes bibliogr. references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>S-matrix theory--Addresses, essays, lectures<br/>Dispersion relations--Addresses, essays, lectures