Journal of Geometry. 1990;39(1-2):80-91. doi: 10.1007/bf01222141 Q30.52025
On the integral invariants of a closed ruled surface
闭直纹曲面的积分不变量
DOI: 10.1007/bf01222141
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Journal of Geometry. 1990;39(1-2):80-91. doi: 10.1007/bf01222141 Q30.52025
DOI: 10.1007/bf01222141
摘要 查看摘要