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A noncommutative generalization and q-analog of the Lagrange inversion formula. (English) Zbl 0459.05014

MSC:
05A19 Combinatorial identities, bijective combinatorics
05A15 Exact enumeration problems, generating functions
05C05 Trees
11P81 Elementary theory of partitions
20M05 Free semigroups, generators and relations, word problems
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