The Classical approximation for real time scalar field theory at finite temperature - Gert Aarts (1998)
@articleAarts:1998zt, author = "Aarts, Gert", title = "The Classical approximation for real time scalar field theory at finite temperature", year = "1998", eprint = "hep-ph/9809339", archivePrefix = "arXiv", primaryClass = "hep-ph", SLACcitation = "%%CITATION = HEP-PH/9809339;%%",