@article{AUCMP_1990__31_2_a12,
     author = {Paseka, J. and Sekanina, P.},
     title = {A note on extremally disconnected frames},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {75--84},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1990},
     mrnumber = {1101419},
     zbl = {0792.54034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1990__31_2_a12/}
}