@article{VMP_2011_12_4_a8,
     author = {N. V. Lukashevich and I. I. Chetviorkin},
     title = {Extraction and use of opinion words for the three-way review 
},
     journal = {Numerical methods and programming},
     pages = {73--81},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2011_12_4_a8/}
}