@article{CMUC_2002__43_1_a13,
     author = {Murtinov\'a, Eva},
     title = {A $\beta$-normal {Tychonoff} space which is not normal},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {159--164},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2002},
     mrnumber = {1903315},
     zbl = {1090.54016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2002__43_1_a13/}
}