PSI 2018/2019 - Quantum Field Theory I - Lecture 8

          @misc{ scivideos_PIRSA:18100014,
            doi = {},
            url = {https://pirsa.org/18100014},
            author = {Xu, Gang},
            keywords = {},
            language = {en},
            title = {PSI 2018/2019 - Quantum Field Theory I - Lecture 8},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2018},
            month = {oct},
            note = {PIRSA:18100014 see, \url{https://scivideos.org/index.php/pirsa/18100014}}
          }