摘要: In the paper,we construct two families of the hexagonal graphs G₁(n)and G₂(n),and prove their gracefulness.
                                                        
                              
                             
                            
                            																								
								
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                                        															杨燕昌, 王广选. 两类六边形图的优美性[J]. 数学季刊, 1997, 12(1): 4-12.	
																																									     												                                                                                                        	                                                                                                                      Yang Yanchang, Wang Guangxuan. On  the  Gracefulness  of  Two  Family    of the  Hexagonal Graphs[J]. Chinese Quarterly Journal of Mathematics, 1997, 12(1): 4-12.