@article{02188030, title = {Existence of ground state configurations.}, journal = {Mathematical Physics Electronic Journal [electronic only]}, volume = {10}, year = {2004}, zbl = {1136.82305}, language = {en}, url = {http://dml.mathdoc.fr/item/02188030} }
Radin, Charles. Existence of ground state configurations.. Mathematical Physics Electronic Journal [electronic only], Tome 10 (2004) . http://gdmltest.u-ga.fr/item/02188030/