摘要: 
In this note the author introduces a kind of Sobolev-type space called modified Sobolev space and deduce some fundamental properties of them.
                                                        
                            
                            																											
											
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                                        															丁夏畦. ON A MODIFIED SOBOLEV SPACE[J]. 数学物理学报(英文版), 2008, 28(1): 1-6.
																																									     												                                                                                                        	                                                           Ding Xiaqi. ON A MODIFIED SOBOLEV SPACE[J]. Acta mathematica scientia,Series B, 2008, 28(1): 1-6.