引用本文:

刘 庆. 两PQD序列的大数定律[J]. 浙江大学学报（理学版）, 2011, 38(2): 140-143.

LIU Qing. . Journal of ZheJIang University(Science Edition), 2011, 38(2): 140-143.

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https://www.zjujournals.com/sci/CN/    或    https://www.zjujournals.com/sci/CN/Y2011/V38/I2/140