Conformal Field Theory - Lecture 4

          @misc{ scivideos_PIRSA:11110053,
            doi = {},
            url = {https://pirsa.org/11110053},
            author = {Gomis, Jaume},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {Conformal Field Theory - Lecture 4},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2011},
            month = {nov},
            note = {PIRSA:11110053 see, \url{https://scivideos.org/index.php/pirsa/11110053}}
          }