Alberto Costa, Leo Liberti, Pierre Hansen. Formulation symmetries in circle packing. Electronic Notes in Discrete Mathematics, 36:1303-1310, 2010. [doi]
@article{CostaLH10,
title = {Formulation symmetries in circle packing},
author = {Alberto Costa and Leo Liberti and Pierre Hansen},
year = {2010},
doi = {10.1016/j.endm.2010.05.165},
url = {http://dx.doi.org/10.1016/j.endm.2010.05.165},
researchr = {https://researchr.org/publication/CostaLH10},
cites = {0},
citedby = {0},
journal = {Electronic Notes in Discrete Mathematics},
volume = {36},
pages = {1303-1310},
}