@article{DE_1995_31_12_a14,
     author = {V. P. Shutyaev},
     title = {Some properties of a control operator in the problem of data assimilation, and algorithms for its solution},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2063--2069},
     publisher = {mathdoc},
     volume = {31},
     number = {12},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_12_a14/}
}