@article{GDZPPN001261789,
title = {Finite point compactifications of (N, +).},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {388-392},
zbl = {0759.22007},
url = {http://dml.mathdoc.fr/item/GDZPPN001261789}
}
Hippisley-Cox, S.D. Finite point compactifications of (N, +).. Semigroup forum, Tome 44 (1992) pp. 388-392. http://gdmltest.u-ga.fr/item/GDZPPN001261789/