1. Sinai, Ya. G.: Limit behaviour of one-dimensional random walk in random environment. Theory Probab. Appl.27, No. 2, 247?258 (1982) (in Russian)
2. Golosov, A.O.: Limit distributions for random walks in random environments. Dokl. Acad. Sci. USSR271, 25?29 (1983) (in Russian)
3. Feller, W.: An introduction to probability theory and its applications, Vol. 2. New York, London, Sydney: Wiley 1966
4. Billingsley, P.: Convergence of probability measures. New York, London, Sydney, Toronto: Wiley 1968
5. Pitman, J.W.: One-dimensional Brownian motion and the three-dimensional Bessel process. Adv. Appl. Probab.7, 511?526 (1975)