PSI 2016/2017 - Quantum Field Theory II - Lecture 2

          @misc{ pirsa_PIRSA:16110002,
            doi = {},
            url = {https://pirsa.org/16110002},
            author = {David, Francois},
            keywords = {},
            language = {en},
            title = {PSI 2016/2017 - Quantum Field Theory II - Lecture 2},
            publisher = {Perimeter Institute},
            year = {2016},
            month = {nov},
            note = {PIRSA:16110002 see, \url{https://pirsa.org}}
          }