TY - JOUR AU - Twardowska, K. AU - Marnik, T. AU - Pasławska-Południak, M. TI - Approximation of the Zakai Equation in a Nonlinear Filtering Problem With Delay JO - International Journal of Applied Mathematics and Computer Science PY - 2003 SP - 151 EP - 160 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2003_13_2_a2/ LA - en ID - IJAMCS_2003_13_2_a2 ER -