نویسندگان مقاله |
d qiu | college of mathematics and physics,, chongqing university of posts and telecommunications,, nanan, chongqing, 400065, p. r. china
r دانک | college of mathematics and physics,, chongqing university of posts and telecommunications,, nanan, chongqing, 400065, p. r. china
jiuying dong | school of statistics, jiangxi university of finance and economics, nanchang 330013, china and research center of applied statistics, jiangxi university of finance and economics, nanchang 330013, china
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