Subprincipal closed ideals in ßN.

@article{Hindman1987,
author = {Hindman, N., Davenport, D.},
journal = {Semigroup forum},
keywords = {Stone-Cech compactification; Ramsey Theory; subprincipal closed ideals; upper, lower and Banach density},
pages = {223-246},
title = {Subprincipal closed ideals in ßN.},
url = {http://eudml.org/doc/134898},
volume = {36},
year = {1987},
}

TY - JOUR
AU - Hindman, N.
AU - Davenport, D.
TI - Subprincipal closed ideals in ßN.
JO - Semigroup forum
PY - 1987
VL - 36
SP - 223
EP - 246
KW - Stone-Cech compactification; Ramsey Theory; subprincipal closed ideals; upper, lower and Banach density
UR - http://eudml.org/doc/134898
ER -