@article{IJAMCS_2003_13_2_a2,
     author = {Twardowska, K. and Marnik, T. and Pas{\l}awska-Po{\l}udniak, M.},
     title = {Approximation of the {Zakai} {Equation} in a {Nonlinear} {Filtering} {Problem} {With} {Delay}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {151--160},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2003_13_2_a2/}
}