On isomorphisms between $\sigma$-ideals on $\omega_1$
Commentationes Mathematicae Universitatis Carolinae, Tome 31 (1990) no. 4, pp. 743-749
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@article{CMUC_1990__31_4_a13,
author = {Balcerzak, Marek},
title = {On isomorphisms between $\sigma$-ideals on $\omega_1$},
journal = {Commentationes Mathematicae Universitatis Carolinae},
pages = {743--749},
publisher = {mathdoc},
volume = {31},
number = {4},
year = {1990},
mrnumber = {1091371},
zbl = {0722.04002},
language = {en},
url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_4_a13/}
}
Balcerzak, Marek. On isomorphisms between $\sigma$-ideals on $\omega_1$. Commentationes Mathematicae Universitatis Carolinae, Tome 31 (1990) no. 4, pp. 743-749. http://geodesic.mathdoc.fr/item/CMUC_1990__31_4_a13/