@article{IVM_2011_12_a9,
     author = {S. S. Alekseyev and O. A. Zadvornov},
     title = {Solvability of a~multivalued filtering problem in a~heterogeneous environment with a~distributed source},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {76--80},
     publisher = {mathdoc},
     number = {12},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2011_12_a9/}
}