%0 Journal Article %A A. G. Chentsov %T Some Properties of Ultrafilters Related to Their Use As Generalized Elements %J Trudy Instituta matematiki i mehaniki %D 2023 %P 271-286 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2023_29_2_a19/ %G ru %F TIMM_2023_29_2_a19