| Poincare lemma on Heisenberg groups (AAO) | 
										
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																Volume 1 |  
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																Number 2 |  
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																pp. 283-300 |  | 
										
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											| Poincaré Lemma on Heisenberg groups | 
										
											| Der-Chen Chang, Yi Shan Lin, Hsi-Chun Wu and Nanping Yang |  | 
										
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														| Key words | Mathematices Subject Classification |  
														| Bracket generating property, Heisenberg group, curl, integrability condition, Poincaré lemma | Primary 93B05; Secondary 49N99 |  
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														| Copyright© 2016 Yokohama Publishers |  | For Editor |  | For Authors |  
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