Iraj Kalantari, Larry Welch. On degree-preserving homeomorphisms between trees in computable topology. Arch. Math. Log., 46(7-8):679-693, 2008. [doi]
@article{KalantariW08,
title = {On degree-preserving homeomorphisms between trees in computable topology},
author = {Iraj Kalantari and Larry Welch},
year = {2008},
doi = {10.1007/s00153-007-0056-0},
url = {http://dx.doi.org/10.1007/s00153-007-0056-0},
researchr = {https://researchr.org/publication/KalantariW08},
cites = {0},
citedby = {0},
journal = {Arch. Math. Log.},
volume = {46},
number = {7-8},
pages = {679-693},
}