A note on operators of deletion and contraction for antichains.
Matveev, Andrey O.
International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002), p. 725-729 / Harvested from The Electronic Library of Mathematics
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Publié le : 2002-01-01
DOI : https://doi.org/10.1155/S0161171202108088
EUDML-ID : urn:eudml:doc:49887 
@article{01821315,
     title = {A note on operators of deletion and contraction for antichains.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {30},
     year = {2002},
     pages = {725-729},
     doi = {10.1155/S0161171202108088},
     zbl = {1009.06002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01821315}
}

Matveev, Andrey O. A note on operators of deletion and contraction for antichains.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 725-729. doi : 10.1155/S0161171202108088. http://gdmltest.u-ga.fr/item/01821315/