@article{DMGT_2008_28_1_a0,
     author = {Sonntag, Martin and Teichert, Hanns-Martin},
     title = {Competition hypergraphs of digraphs with certain properties {I.} {Strong} connectedness},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {5--21},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2008_28_1_a0/}
}