Path integral approach to quantum physics : an introduction / Gert Roepstorff. Pfadintegrale in der Quantenphysik. English Roepstorff, Gert. Path integrals. Quantum theory. QC174.17.P27 R6413 1994 530.12 20 ROP Includes bibliographical references and index. Berlin ; New York : Springer, c1994. c1994. 1994 Text xiii, 387 p. : eng eng ger Texts and monographs in physics