Annelie von Arnim, Ulrich Faigle, Rainer Schrader. The permutahedron of series-parallel posets. Discrete Applied Mathematics, 28(1):3-9, 1990. [doi]
@article{ArnimFS90,
title = {The permutahedron of series-parallel posets},
author = {Annelie von Arnim and Ulrich Faigle and Rainer Schrader},
year = {1990},
doi = {10.1016/0166-218X(90)90089-U},
url = {http://dx.doi.org/10.1016/0166-218X(90)90089-U},
researchr = {https://researchr.org/publication/ArnimFS90},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {28},
number = {1},
pages = {3-9},
}