@article{MAT_1973_17_2_a5,
     author = {M. Fujisaki and G. Kallianpur and H. Kunita},
     title = {Stochastic differential equations for the non linear filtering problem},
     journal = {Matematika},
     pages = {108--128},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1973_17_2_a5/}
}