摘要: 
In this paper,a mini max theorem was showed mega which the paper proves a new existent and unique result on solution of the boundary value problem for the nonlinear wave equation by using the mini max theorem.
                                                        
                              
                             
                            
                                                        
                            
                                
                                    
                                
                                
                                    
                                        															黄文华, 陆川. 一个具有半连续Gateaux导数的泛函的Mini Max定理和非线性波动方程的边值问题的解[J]. 数学季刊, 2007, 22(3): 451-458.	
																																									     												                                                                                                        	                                                                                                                      HUANG Wen-hua, LU Chuan. A Mini Max Theorem for the Functionals with Hemicontinuous Gateaux Derivative and the Solution of the Boundary Value Problem for the Nonlinear Wave Equation [J]. Chinese Quarterly Journal of Mathematics, 2007, 22(3): 451-458.