Sums equal to products in ßN.
Hindman, N.
Semigroup forum, Tome 20 (1980), p. 221-256 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1980-01-01
EUDML-ID : urn:eudml:doc:134450 
@article{GDZPPN001254472,
     title = {Sums equal to products in \ss N.},
     journal = {Semigroup forum},
     volume = {20},
     year = {1980},
     pages = {221-256},
     zbl = {0448.22004},
     url = {http://dml.mathdoc.fr/item/GDZPPN001254472}
}

Hindman, N. Sums equal to products in ßN.. Semigroup forum, Tome 20 (1980) pp. 221-256. http://gdmltest.u-ga.fr/item/GDZPPN001254472/