@article{DMGT_2014_34_2_a6,
     author = {Li, Binlong and Broersma, Hajo and Zhang, Shenggui},
     title = {Heavy subgraph pairs for traceability of block-chains},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {287--307},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2014_34_2_a6/}
}