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Approximation properties of the improved Baskakov operators
tian jun 1; 3 ; zhi gui_zhen 2; chen wei_qing 3 (1.southwest jiaotong university; chengdu 610031; china; 2.zhengzhou light industry college; zhengzhou 450002; china; 3.zhengzhou institute of aeronautical industry management; zhengzhou 450005)
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