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Springer Tracts in Modern Physics References 1. Abdalla, M.S.: Time-Dependent Harmonic Oscillator with Variable Mass Un- der the Action of a Driving Force. Phys. Rev. A 34 (1986) 4598-4605. 2. Abdalla, M.S.: Isotropic Time-Dependent Coupled Oscillators. Phys. Rev. A 85 (1987) 4160-4166. 3. Abers, E.S., Lee, B.W.: Gauge Theories. Phys. Rep. 9 (1973) 1-141. 4. Adamovski, J., Gerlach, B., Leschke, H.: Strong Coupling Limit of Polaron Energy, Revisited. Phys. Lett. A 79 (1980) 249-251. 5. Adamovski, J., Gedach, B., Leschke, H.: Explicit Evaluation of Certain Ganssian Functional Integrals Arising in Problems of Statistical Physics. J. Math. Phys. 23 (1982) 243-249. 6. Agarwal, G.S.: Brownian Motion of a Quantum Oscillator. Phys. Rev. A 4 (1971) 739-747. 7. Aharonov, Y., Bohm, D.: Significance of Electromagnetic Potentials in the Quantum Theory. Phys. Rev. 115 (1959) 485-491. 8. Ahmedov, H.: Path Integral Over Single-Sheeted Hyperboloid and Related Potentials. Turkish J. 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