@article{10_4064_cm130_1_9,
     author = {Pawe{\l} Barbarski and Rafa{\l} Filip\'ow and Nikodem Mro\.zek and Piotr Szuca},
     title = {When does the {Kat\v{e}tov} order imply that one ideal extends the other?},
     journal = {Colloquium Mathematicum},
     pages = {91--102},
     publisher = {mathdoc},
     volume = {130},
     number = {1},
     year = {2013},
     doi = {10.4064/cm130-1-9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm130-1-9/}
}