@article{10_21136_MB_2021_0177_19, author = {Bielas, Wojciech and Kucharski, Andrzej and Plewik, Szymon}, title = {The {Niemytzki} plane is $\varkappa $-metrizable}, journal = {Mathematica Bohemica}, pages = {457--469}, publisher = {mathdoc}, volume = {146}, number = {4}, year = {2021}, doi = {10.21136/MB.2021.0177-19}, mrnumber = {4336550}, zbl = {07442513}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2021.0177-19/} }