论文标题
在递归定义的组合类和标记的树上
On recursively defined combinatorial classes and labelled trees
论文作者
论文摘要
我们定义并证明涉及标记树的三个组合类别之间的同构。我们还通过生成功能提供了替代证明。
We define and prove isomorphisms between three combinatorial classes involving labeled trees. We also give an alternative proof by means of generating functions.