Peter A. Fejer. The density of the nonbranching degrees. Annals of Pure and Applied Logic, 24(2):113-130, 1983. [doi]
@article{Fejer83,
title = {The density of the nonbranching degrees},
author = {Peter A. Fejer},
year = {1983},
doi = {10.1016/0168-0072(83)90028-3},
url = {https://doi.org/10.1016/0168-0072(83)90028-3},
researchr = {https://researchr.org/publication/Fejer83},
cites = {0},
citedby = {0},
journal = {Annals of Pure and Applied Logic},
volume = {24},
number = {2},
pages = {113-130},
}