Châu, Đổng Sĩ Thiên, and Trần Thị Hoàng Oanh. “A Robust Identification Method for Nonlinear Filters Using Neural Networks”. <i>Journal of Computer Science and Cybernetics</i>, vol. 21, no. 2, July 2012, pp. 137-42, doi:10.15625/1813-9663/21/2/1445.