@article{CMUC_1977_18_4_a4,
     author = {Ne\v{s}et\v{r}il, Jaroslav},
     title = {Riga $p$-point},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {675--683},
     year = {1977},
     volume = {18},
     number = {4},
     mrnumber = {0480042},
     zbl = {0367.04006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1977_18_4_a4/}
}