1. Ikeda, N., and Watanabe, S. comparison theorem for solutions of stochastic differential equations and its applications. Osaka J. Math. 14 (1977) 619 - 633
2. Meyer, P.A. Processus de Markov. Lecture Notes in Mathematics, vol. 26, Springer, Berlin Heidelberg New York 1967
3. Métivier, M. Semimartingales: a course on stochastic processes. de Gruyter, Berlin New York 1982
4. Fujisaki, M., Kallianpur, G., and Kunita, H. ochastic differential equations for the non-linear filtering problem. Osaka J. Math. 9 (1972) 19 - 40
5. Getoor, R.K. other limit theorem for local time. Z.W. 34 (1976) 1 - 10