Nikolay Nikolaev and  Evgueni Smirnov,  Unscented Grid Filtering and Smoothing for Nonlinear Time Series Analysis.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 473 - 479
    [viewed 03 October 2022]. Available from: https://publications.waset.org/pdf/9787.