TY - JOUR AU - Šlapal, Josef TI - On the axioms preserved by modifications of topologies without axioms JO - Archivum mathematicum PY - 1988 SP - 203 EP - 215 VL - 24 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1988__24_4_a3/ LA - en ID - ARM_1988__24_4_a3 ER -