@inproceedings{shing-tung2005existence, title={Existence and uniqueness of solutions for Duncan-Mortensen-Zakai equations}, author={Shing-Tung Yau, and SS-T Yau}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204829893688230}, pages={536-541}, year={2005}, }