摘要: By using exponential dichotomies and Liapunov function method, we have studied the existence of almost periodic solutions on a Lienard system and have obtained some simple sufficient condition.
                                                        
                              
                             
                            
                            																								
								
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                                        															朱焕然. 一类Liapunov方程的概周期解[J]. 数学季刊, 2004, 19(2): 164-171.	
																																									     												                                                                                                        	                                                                                                                      ZHU Huan-ran . The Almost Periodic Solution on a Lienard Equation[J]. Chinese Quarterly Journal of Mathematics, 2004, 19(2): 164-171.