[5] Quesada, V. y Garc´ıa, A. (1988). Lecciones de C´alculo de Probabilidades,
D´ıaz de Santos, Madrid (Espa˜na).
[6] Soong, T. T. (1973). Random Differential Equations in Science and
Engineering, Academic Press, New York (USA).
[7] Xiu, D. y Karniadakis, G. (2002). The Wiener-Askey polynomial
chaos for stochastic differential equations, SIAM J. Sci. Comput.,
Doi:10.1137/S1064827501387826,...
[8] Xiu, D. (2010). Numerical Methods for Stochastic Computations: A Spectral
Method Approach, Princeton University Press, New Jersey