@article{10_21136_CMJ_1966_100727,
     author = {Kadlec, Jan},
     title = {On a domain of the type $\frak P$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {247--259},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1966},
     doi = {10.21136/CMJ.1966.100727},
     mrnumber = {0196483},
     zbl = {0195.14701},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1966.100727/}
}