@article{10_37236_152,
     author = {Arun Sharma},
     title = {Enumerating permutations that avoid three term arithmetic progressions},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/152},
     zbl = {1187.05003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/152/}
}