@article{10_21136_CPM_1970_108328,
     author = {Katri\v{n}\'ak, Tibor},
     title = {$M${-Polaren} in halbgeordneten {Mengen}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {416--419},
     publisher = {mathdoc},
     volume = {095},
     number = {4},
     year = {1970},
     doi = {10.21136/CPM.1970.108328},
     mrnumber = {0279004},
     zbl = {0211.02802},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1970.108328/}
}