@article{UZKU_2007_149_2_a1,
     author = {E. V. Biryal'tsev and A. M. Gusenkov},
     title = {Based on ontology approach to integration of relation databases},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {13--34},
     publisher = {mathdoc},
     volume = {149},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2007_149_2_a1/}
}