1. [1] N. Ikeda, On the construction of two-dimensional diffusion processes satisfying Wentzels boundary conditions and its application to boundary value problems, Mem. Coll. Sci. Univ. Kyoto, 33 (1961), 367-427.
2. [2] H. P. McKean, A. Skorohod's integral equation for a reflecting barrier diffusion, J. Math. Kyoto Univ., 3 (1963), 86-88.
3. [3] H. P. McKean, Stochastic Integrals, Academic Press, 1969.
4. [4] A. V. Skorohod, Stochastic equations for diffusion processes in a bounded region 1, 2, Theor. Veroyatnost. i Primenen. 6 (1961), 264-274; 7 (1962), 3-23.
5. [5] A. V. Skorohod, Studies in the Theory of Random Processes, Addison Wesley, 1965.