PSI 2019/2020 - Quantum Field Theory I (Wohns/Xu) - Lecture 12

          @misc{ scivideos_PIRSA:19100069,
            doi = {},
            url = {https://pirsa.org/19100069},
            author = {Xu, Gang and Wohns, Dan},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {PSI 2019/2020 - Quantum Field Theory I (Wohns/Xu) - Lecture 12},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2019},
            month = {oct},
            note = {PIRSA:19100069 see, \url{https://scivideos.org/index.php/pirsa/19100069}}
          }