Around heat decay on forms and relations of nilpotent Lie groups
Séminaire de théorie spectrale et géométrie, Tome 19 (2000-2001), pp. 123-164. 
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     author = {Rumin, Michel},
     title = {Around heat decay on forms and relations of nilpotent {Lie} groups},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {123--164},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {19},
     year = {2000-2001},
     mrnumber = {1909080},
     zbl = {1035.58021},
     language = {en},
     url = {http://archive.numdam.org/item/TSG_2000-2001__19__123_0/}
}
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Rumin, Michel. Around heat decay on forms and relations of nilpotent Lie groups. Séminaire de théorie spectrale et géométrie, Tome 19 (2000-2001), pp. 123-164. http://archive.numdam.org/item/TSG_2000-2001__19__123_0/

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