Lih-Hsing Hsu, Shih-Yih Wang. Maximum independent number for series-parallel networks. Networks, 21(4):457-468, 1991. [doi]
@article{HsuW91-0,
title = {Maximum independent number for series-parallel networks},
author = {Lih-Hsing Hsu and Shih-Yih Wang},
year = {1991},
doi = {10.1002/net.3230210406},
url = {http://dx.doi.org/10.1002/net.3230210406},
researchr = {https://researchr.org/publication/HsuW91-0},
cites = {0},
citedby = {0},
journal = {Networks},
volume = {21},
number = {4},
pages = {457-468},
}