Minimal ideals and cancellation in ßN.
Semigroup forum, Tome 25 (1982), pp. 291-310
@article{SF_1982__25_134579,
author = {N. Hindman},
title = {Minimal ideals and cancellation in {{\ss}N.}},
journal = {Semigroup forum},
pages = {291--310},
year = {1982},
volume = {25},
zbl = {0499.22002},
url = {http://geodesic.mathdoc.fr/item/SF_1982__25_134579/}
}
N. Hindman. Minimal ideals and cancellation in ßN.. Semigroup forum, Tome 25 (1982), pp. 291-310. http://geodesic.mathdoc.fr/item/SF_1982__25_134579/