中国科学院数学与系统科学研究院期刊网
AMS
Summability of Fourier-Laplace Series with the Method of Lacunary Arithmetical Means at Lebesgue Points
Feng DAI, Kun Yang WANG
Acta Mathematica Sinica . 2001, (3): 489 -496 .  DOI: 10.1007/s101140100108