@article {BrCl2011,
    author = {Br\"{a}nd\'{e}n, Petter and Claesson, Anders},
     title = {Mesh patterns and the expansion of permutation statistics as
              sums of permutation patterns},
   journal = {Electron. J. Combin.},
  fjournal = {Electronic Journal of Combinatorics},
    volume = {18},
      year = {2011},
    number = {2},
     pages = {Paper 5, 14},
}