SIAM Journal on Discrete Mathematics. 2009;23(1):447-465. doi: 10.1137/070687475 Q21.02025
More Patterns in Trees: Up and Down, Young and Old, Odd and Even
树中的更多规律:上下、老幼、奇偶
DOI: 10.1137/070687475
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SIAM Journal on Discrete Mathematics. 2009;23(1):447-465. doi: 10.1137/070687475 Q21.02025
DOI: 10.1137/070687475
摘要 查看摘要