杨世国. E^n中质点组的最小转动惯量轴[J]. 土木与环境工程学报（中英文）, 2003,25(2):63-66.

Axes of Minimal Moment of Inertia for Particle Set in En[J]. Journal of Civil and Environmental Engineering, 2003, 25(2): 63-66.

杨世国. E^n中质点组的最小转动惯量轴[J]. 土木与环境工程学报（中英文）, 2003,25(2):63-66. DOI： 10.11835/j.issn.1674-4764.2003.02.013.

Axes of Minimal Moment of Inertia for Particle Set in En[J]. Journal of Civil and Environmental Engineering, 2003, 25(2): 63-66. DOI： 10.11835/j.issn.1674-4764.2003.02.013.