We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleQuasirelativistic theory. II. Theory at matrix level.AuthorsWenjian Liu; Kutzelnigg, WernerPublicationJournal of Chemical Physics, 2007, Vol 126, Issue 11, p114107ISSN0021-9606Publication typearticleDOI10.1063/1.2710258