A Proof of Catalan's Convolution Formula

Alon Regev. A Proof of Catalan's Convolution Formula. Integers, 12, 2012. [doi]

@article{Regev12-0,
  title = {A Proof of Catalan's Convolution Formula},
  author = {Alon Regev},
  year = {2012},
  url = {http://math.colgate.edu/~integers/m29/m29.Abstract.html},
  researchr = {https://researchr.org/publication/Regev12-0},
  cites = {0},
  citedby = {0},
  journal = {Integers},
  volume = {12},
}