00693nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001500084100001800099245015100117260004400268300001500312650002200327650002100349650002100370650002500391650002100416700001800437700002000455IN-BaIIA211028s9999    xx            000 0 eng d  a0-19-506130-6  cIIA Library  a51:54bHAR  aHarris, F. E. 0aAlgebraic and diagrammatic methods in many-fermion theorycF. E.  Harris, H. J. Monkhorst and D. L. Freeman                                         aNew YorkbOxford University Pressc1992  avii, 403p.  aCluster operators  aDensity matrices  aOperator algebra  aSchrodinger equation  aThe electron gas  aFreeman, D. L  aMonkhorst, H. J