@article{MAIS_2009_16_4_a2,
     author = {S. D. Kuznetsov and N. A. Mendkovich},
     title = {New algorithms for query modifications},
     journal = {Modelirovanie i analiz informacionnyh sistem},
     pages = {22--33},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAIS_2009_16_4_a2/}
}