A purely combinatorial proof of the Hadwiger Debrunner (p,q) conjecture.
Alon, N. ; Kleitman, D.J.
The Electronic Journal of Combinatorics [electronic only], Tome 4 (1997), / Harvested from The Electronic Library of Mathematics
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Publié le : 1997-01-01
EUDML-ID : urn:eudml:doc:119429 
@article{01118067,
     title = {A purely combinatorial proof of the Hadwiger Debrunner },
     journal = {The Electronic Journal of Combinatorics [electronic only]},
     volume = {4},
     year = {1997},
     zbl = {0889.52008},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01118067}
}

Alon, N.; Kleitman, D.J. A purely combinatorial proof of the Hadwiger Debrunner . The Electronic Journal of Combinatorics [electronic only], Tome 4 (1997) . http://gdmltest.u-ga.fr/item/01118067/