Quantum Field Theory for Cosmology - Achim Kempf - Lecture 2

          @misc{ pirsa_PIRSA:16010002,
            doi = {},
            url = {https://pirsa.org/16010002},
            author = {Kempf, Achim},
            keywords = {},
            language = {en},
            title = {Quantum Field Theory for Cosmology - Achim Kempf  - Lecture 2},
            publisher = {Perimeter Institute},
            year = {2016},
            month = {jan},
            note = {PIRSA:16010002 see, \url{https://pirsa.org}}
          }