@article{VUU_2011_1_a11,
     author = {A. G. Chentsov},
     title = {Filters and ultrafilters in the constructions of attraction sets},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {113--142},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2011_1_a11/}
}