TY  - JOUR
AU  - Chodounský, David
TI  - Non-normality and relative normality of Niemytzki plane
JO  - Acta Universitatis Carolinae. Mathematica et Physica
PY  - 2007
SP  - 37
EP  - 41
VL  - 48
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AUCMP_2007__48_2_a3/
LA  - en
ID  - AUCMP_2007__48_2_a3
ER  -