资讯
Guifu Su ᵃ, Liming Xiong ᵃ, Ivan Gutman ᵇ, Lan Xu ᶜ, Reciprocal Product–Degree Distance of Graphs, Filomat, Vol. 30, No. 8 (2016), pp. 2217-2231 ...
Investigations of Linear and Reciprocal Functions by the Line-to-Line Technique David R. Duncan and Bonnie H. Litwiller The Two-Year College Mathematics Journal , pp. 2-9 (8 pages) ...
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