TY  - JOUR
AU  - Logunov, Sergei
TI  - On Szymański theorem on hereditary normality of $\beta\omega$
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 2022
SP  - 507
EP  - 512
VL  - 63
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2023.011/
DO  - 10.14712/1213-7243.2023.011
LA  - en
ID  - 10_14712_1213_7243_2023_011
ER  -