Sartaj K. Sahni, San-Yuan Wu. Two NP-hard interchangeable terminal problems. IEEE Trans. on CAD of Integrated Circuits and Systems, 7(4):467-472, 1988. [doi]
@article{SahniW88,
title = {Two NP-hard interchangeable terminal problems},
author = {Sartaj K. Sahni and San-Yuan Wu},
year = {1988},
doi = {10.1109/43.3181},
url = {http://doi.ieeecomputersociety.org/10.1109/43.3181},
researchr = {https://researchr.org/publication/SahniW88},
cites = {0},
citedby = {0},
journal = {IEEE Trans. on CAD of Integrated Circuits and Systems},
volume = {7},
number = {4},
pages = {467-472},
}