@article{TRSPY_1994_207_a7,
     author = {S. A. Gritsenko},
     title = {On a~density theorem},
     journal = {Informatics and Automation},
     pages = {70--81},
     publisher = {mathdoc},
     volume = {207},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1994_207_a7/}
}