Quantum many-particle systems / John W. Negele, Henri Orland. Negele, John W. Orland, Henri. Many-body problem. Quantum field theory. Integration, Functional. Stochastic processes. Degree of freedom. QC174.17.P7 N44 1988 530.12 19 NEQ Includes bibliographical references and index. Redwood City, Calif. : Avanced Book Program ; Westview Press, c1988. c1988. 1988 Text xviii, 459 p. : eng Advanced book classics. Frontiers in physics ; v. 68.