@article{DMTCS_2011_13_3_a1,
     author = {Sun, Yidong and Xu, Yanjie},
     title = {The largest singletons in weighted set partitions and its applications},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2011},
     volume = {13},
     number = {3},
     doi = {10.46298/dmtcs.535},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.535/}
}