@article{IVM_1979_11_a11,
     author = {N. K. Kul'man and V. M. Khametov},
     title = {Equations for nonlinear filtering of semimartingales},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {80--84},
     year = {1979},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_11_a11/}
}