@article{10_37236_139,
     author = {Augustine O. Munagi},
     title = {Labeled factorization of integers},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/139},
     zbl = {1223.11150},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/139/}
}