@article{10_4064_fm_132_2_135_141,
     author = {Saharon Shelah and Juris Steprans},
     title = {Non-trivial homeomorphisms of {\ensuremath{\beta}N\N} without the continuum hypothesis},
     journal = {Fundamenta Mathematicae},
     pages = {135--141},
     publisher = {mathdoc},
     volume = {132},
     number = {2},
     year = {1989},
     doi = {10.4064/fm-132-2-135-141},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-132-2-135-141/}
}