@article{AIHPA_1968__8_3_287_0, author = {Gallavotti, G. and Miracle-Sole, S.}, title = {A variational principle for the equilibrium of hard sphere systems}, journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique}, pages = {287--299}, publisher = {Gauthier-Villars}, volume = {8}, number = {3}, year = {1968}, language = {en}, url = {http://archive.numdam.org/item/AIHPA_1968__8_3_287_0/} }