Congruent subsets of infinite sets of natural numbers.
Journal für die reine und angewandte Mathematik, Tome 367 (1986), pp. 207-214
@article{JRAM_1986__367_152832,
author = {Egbert Harzheim and Paul Erd\"os},
title = {Congruent subsets of infinite sets of natural numbers.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
pages = {207--214},
year = {1986},
volume = {367},
zbl = {0575.10041},
url = {http://geodesic.mathdoc.fr/item/JRAM_1986__367_152832/}
}
Egbert Harzheim; Paul Erdös. Congruent subsets of infinite sets of natural numbers.. Journal für die reine und angewandte Mathematik, Tome 367 (1986), pp. 207-214. http://geodesic.mathdoc.fr/item/JRAM_1986__367_152832/