上传者: wudong0919 
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                                    上传时间: 2019-12-21 21:57:26
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                                    文件大小: 142KB
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                                    文件类型: pdf
                                
                            
                                
                            
                                Graduate studies in Mathematics
part one: representation for solutons 
part two: theory for partial differential equations
part three: theory for nonlinear partial differential equations