@article{EJP39,
author = {N. Krylov},
title = {Approximating Value Functions for Controlled Degenerate Diffusion Processes by Using Piece-Wise Constant Policies},
journal = {Electron. J. Probab.},
fjournal = {Electronic Journal of Probability},
volume = {4},
year = {1999},
keywords = {Bellman's equations, fully nonlinear equations},
abstract = {It is shown that value functions for controlled degenerate diffusion processes can be approximated with error of order $h^{1/3}$ by using policies which are constant on intervals $[kh^{2},(k+1)h^{2})$.},
pages = {no. 2, 1-19},
issn = {1083-6489},
doi = {10.1214/EJP.v4-39},
url = {http://ejp.ejpecp.org/article/view/39}}