@article{05548885,
title = {A local minimum energy condition of hexagonal circle packing.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {9},
year = {2008},
zbl = {1165.74022},
language = {en},
url = {http://dml.mathdoc.fr/item/05548885}
}
Ishizaka, Kanya. A local minimum energy condition of hexagonal circle packing.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 9 (2008) . http://gdmltest.u-ga.fr/item/05548885/