Nussenzveig, H. M. Causality and dispersion relations - New York : Academic Press, 1972 - 435 p. - Mathematics in science and engineering ; 95 . - Mathematics in science and engineering ; 95 . LCCN: 33244 Subjects--Topical Terms: Física nuclear.Relaciones de dispersión. Dewey Class. No.: 539.7 / N8