@article{FSSC_2019_14_2_a2,
     author = {N. M. Ogorodnikov and A. P. Ryjov},
     title = {On two-dimensional user concepts personalization in information retrieval},
     journal = {Ne\v{c}etkie sistemy i m\^agkie vy\v{c}isleni\^a},
     pages = {111--125},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FSSC_2019_14_2_a2/}
}