PSI 2019/2020 - Statistical Mechanics (Vieira) - Lecture 5

          @misc{ pirsa_PIRSA:19100028,
            doi = {},
            url = {https://pirsa.org/19100028},
            author = {Vieira, Pedro},
            keywords = {Quantum Fields and Strings},
            language = {en},
            title = {PSI 2019/2020 - Statistical Mechanics (Vieira) - Lecture 5},
            publisher = {Perimeter Institute},
            year = {2019},
            month = {oct},
            note = {PIRSA:19100028 see, \url{https://pirsa.org}}
          }