@ARTICLE{2015arXiv150800783B, author = {{Bao}, F. and {Cao}, Y. and {Webster}, C. and {Zhang}, G.}, title = "{An Efficient Meshfreee Implicit Filter for Nonlinear Filtering Problems}", journal = {International Journal for Uncertainty Quantification}, archivePrefix = "arXiv", volume = “6”, issue = “1”, pages = “19-33”, year = 2016, month = aug, }