1. The Evaluation of Inverse Laplace Transforms without the Aid of Contour Integration
2. G.B. Arfken and H.J. Weber. Mathematical methods for physicists. 6th ed. Elsevier Academic Press, Burlington. 2005.
3. B. van der Pol and H. Bremmer. Operational calculus based on the two-sided Laplace integral. 3rd ed. Chelsea Publishing Company, New York. 1987.
4. I.M. Gel’fand and G.E. Shilov. Generalized functions. Academic Press Inc., New York 1964.
5. M. Brack and R.K. Bhaduri. Semiclassical physics: frontiers in physics. Vol. 96. Addison-Wesley, Reading. 2003.