TY  - JOUR
AU  - N. Hindman
TI  - Minimal ideals and cancellation in ßN.
JO  - Semigroup forum
PY  - 1982
SP  - 291
EP  - 310
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1982__25_134579/
ID  - SF_1982__25_134579
ER  -