@article{DMGT_2004_24_3_a7,
     author = {Pil\'sniak, Monika},
     title = {Packing of three copies of a digraph into the transitive tournament},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {443--456},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2004_24_3_a7/}
}