@article{10_37236_1782,
     author = {V. B. Mnukhin and I. J. Siemons},
     title = {On the {Livingstone-Wagner} theorem.},
     journal = {The electronic journal of combinatorics},
     year = {2004},
     volume = {11},
     number = {1},
     doi = {10.37236/1782},
     zbl = {1064.20002},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1782/}
}