Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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/} }
Paseka, J.; Sekanina, P. A note on extremally disconnected frames. Acta Universitatis Carolinae. Mathematica et Physica, Tome 31 (1990) no. 2, pp. 75-84. http://geodesic.mathdoc.fr/item/AUCMP_1990__31_2_a12/