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@article{10_21136_CMJ_1981_101761, author = {Nebesk\'y, Ladislav}, title = {Hypergraphs and intervals}, journal = {Czechoslovak Mathematical Journal}, pages = {469--474}, publisher = {mathdoc}, volume = {31}, number = {3}, year = {1981}, doi = {10.21136/CMJ.1981.101761}, mrnumber = {626920}, zbl = {0473.05047}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1981.101761/} }
Nebeský, Ladislav. Hypergraphs and intervals. Czechoslovak Mathematical Journal, Tome 31 (1981) no. 3, pp. 469-474. doi : 10.21136/CMJ.1981.101761. http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1981.101761/
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