摘要:  In this note, we present some detail estimates for the integral with general integer k, as well as a singular integral formed from it, which would be useful for some nonlinear additive problems of primes.
                                                        
                              
                             
                            
                            																								
								
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                                        															乔建伟, 凌凤彩, 张振峰. 关于一个奇异积分的估计[J]. 数学季刊, 2004, 19(2): 213-217.	
																																									     												                                                                                                        	                                                                                                                      QIAO Jian-wei, LING Feng-cai, ZHANG Zhen-feng. Some Results Concerning a Singular Interga[J]. Chinese Quarterly Journal of Mathematics, 2004, 19(2): 213-217.