Fröhlich, JürgPfister, Charles-Edouard2008-11-272008-11-272008-11-27198610.1007/BF01211072https://infoscience.epfl.ch/handle/20.500.14299/31872Gibbs stateclassical particle systemcrystalline orderingAbsence of crystalline ordering in two dimensionstext::journal::journal article::research article