TY  - JOUR
AU  - E. G. Pytkeev
AU  - A. G. Chentsov
TI  - On the structure of ultrafilters and properties related to convergence in topological spaces
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2014
SP  - 250
EP  - 267
VL  - 20
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2014_20_2_a21/
LA  - ru
ID  - TIMM_2014_20_2_a21
ER  -