VoinaO. A. and SidorovM. V. (1994) “Equations of optimal nonlinear filtration and interpolation for partially observed Markov processes”, Ukrains’kyi Matematychnyi Zhurnal, 46(8), pp. 971–976. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5649 (Accessed: 24November2024).