@article{TIMM_2009_15_2_a17,
     author = {G. A. Povarov},
     title = {Regularity of a~dynamic neighborhood of a~regular language},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {194--202},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2009_15_2_a17/}
}