@article{10_37236_441,
     author = {Yidong Sun and Jujuan Zhuang},
     title = {\(\lambda \)-factorials of \(n\)},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/441},
     zbl = {1204.05008},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/441/}
}