顾小敏. 关于Fourier级数的L1收敛及逼近问题[J]. 浙江大学学报(理学版), .
Gu Xiaomin. On L-convergence and approximation of fourier series. Journal of Zhejiang University (Science Edition), .
https://www.zjujournals.com/sci/CN/ 或 https://www.zjujournals.com/sci/CN/Y1985/V12/I1/49
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