1. R.C. Merton, Continuous-Time Finance, Blackwell, Cambridge, 1990.
2. Levy, S. Solomon, Int. J. Mod. Phys. C7 (1996) 595, 745.
3. Convergent Multiplicative Processes Repelled from Zero: Power Laws and Truncated Power Laws
4. B. Gnedenko, Theory of Probability, Mir Moscow, 1978.
5. C.W. Gardiner, Handbook of Stochastic Methods, 2nd ed., Springer, Berlin, p. 124.