</ref><ref name=":1">Philip T. Gressman & Robert M. Strain (2010). "Global classical solutions of the Boltzmann equation with long-range interactions". ''Proceedings of the National Academy of Sciences''. '''107''' (13): 5744–5749. arXiv:1002.3639. Bibcode:2010PNAS..107.5744G. doi:10.1073/pnas.1001185107. PMC 2851887. <nowiki>PMID 20231489</nowiki>.</ref> | </ref><ref name=":1">Philip T. Gressman & Robert M. Strain (2010). "Global classical solutions of the Boltzmann equation with long-range interactions". ''Proceedings of the National Academy of Sciences''. '''107''' (13): 5744–5749. arXiv:1002.3639. Bibcode:2010PNAS..107.5744G. doi:10.1073/pnas.1001185107. PMC 2851887. <nowiki>PMID 20231489</nowiki>.</ref> |