Gulácsi, Zsolt2015-11-192015-11-192015International Journal of Mathematical models and methods in applied science. -9 (2015), p. 691-699. -Int J. Math. Model. Meth. Appl. Sci. - 1998-01401998-0140http://hdl.handle.net/2437/218564Deducing exact ground states for many-bodyy non-integrable systemsfolyóiratcikkopen access journalhttp://webpac.lib.unideb.hu:8082/ebib/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+BIBFORM061176TermészettudományokFizikai tudományokhttp://www.naun.org/cms.action?id=10206NAUN Publishing2017-12-01