Helmut Prodinger. A note on a result of R. Kemp on R-typly rooted planted plane trees. Computing, 28(4):363-366, 1982. [doi]
@article{Prodinger82,
title = {A note on a result of R. Kemp on R-typly rooted planted plane trees},
author = {Helmut Prodinger},
year = {1982},
doi = {10.1007/BF02279818},
url = {http://dx.doi.org/10.1007/BF02279818},
researchr = {https://researchr.org/publication/Prodinger82},
cites = {0},
citedby = {0},
journal = {Computing},
volume = {28},
number = {4},
pages = {363-366},
}