http://reply.papertrans.cn/1/65/6404/6404-31.png
Submitted on: 30 September 2022.
Revised on: 20 November 2022.
Accepted on: 30 December 2022.
___________________CONSTRUCTIVE APPROXIMATION---SPRINGER
Submitted on: 12 September 2019.
Revised on: 08 January 2020.
Accepted on: 02 February 2020.
___________________CONSTRUCTIVE APPROXIMATION---SPRINGER
http://reply.papertrans.cn/1/65/6404/6404-34.png
Submitted on: 30 October 1998.
Revised on: 06 February 1999.
Accepted on: 28 February 1999.
___________________CONSTRUCTIVE APPROXIMATION---SPRINGER
http://reply.papertrans.cn/1/65/6404/6404-36.png