关於在等高线图上計算矿藏儲量与坡地面积的問題

Acta Mathematica Sinica, Chinese Series ›› 1961, Vol. 11 ›› Issue (1) : 29-40.

Acta Mathematica Sinica, Chinese Series ›› 1961, Vol. 11 ›› Issue (1) : 29-40. DOI: 10.12386/A1961sxxb0004
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