[1]周卜生.一类曲线段的最佳逼近圆[J].机械传动,1994(02):43-46+64.

Optimum Approximate Circles for a Kind of Segmental Curve[J]. 1994, (2).

[1]周卜生.一类曲线段的最佳逼近圆[J].机械传动,1994(02):43-46+64. DOI： 10.16578/j.issn.1004.2539.1994.02.012.

Optimum Approximate Circles for a Kind of Segmental Curve[J]. 1994, (2). DOI： 10.16578/j.issn.1004.2539.1994.02.012.