%0 Journal Article %A Bielas, Wojciech %A Kucharski, Andrzej %A Plewik, Szymon %T The Niemytzki plane is $\varkappa $-metrizable %J Mathematica Bohemica %D 2021 %P 457-469 %V 146 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2021.0177-19/ %R 10.21136/MB.2021.0177-19 %G en %F 10_21136_MB_2021_0177_19