TY - JOUR AU - A. G. Chentsov TI - Ultrafilters as admissible generalized elements under asymptotic constraints JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2020 SP - 312 EP - 323 VL - 30 IS - 2 UR - http://geodesic.mathdoc.fr/item/VUU_2020_30_2_a11/ LA - ru ID - VUU_2020_30_2_a11 ER -