Ladislav Nebesky. Left-right double trees. Discrete Mathematics, 1(1):73-81, 1971. [doi]
@article{Nebesky71-0,
title = {Left-right double trees},
author = {Ladislav Nebesky},
year = {1971},
doi = {10.1016/0012-365X(71)90008-2},
url = {http://dx.doi.org/10.1016/0012-365X(71)90008-2},
researchr = {https://researchr.org/publication/Nebesky71-0},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {1},
number = {1},
pages = {73-81},
}