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"Extremal Values for Ratios of Distances in Trees."
Curtis A. Barefoot, Roger C. Entringer, László A. Székely (1997)
- Curtis A. Barefoot, Roger C. Entringer, László A. Székely:
Extremal Values for Ratios of Distances in Trees. Discret. Appl. Math. 80(1): 37-56 (1997)
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