@article{AMI_2014_43_a4,
     author = {Chak-On Chow and Shi-Mei Ma and Toufik Mansour and Mark Shattuck},
     title = {Counting permutations by cyclic peaks and valleys},
     journal = {Annales mathematicae et informaticae},
     pages = {43--54},
     publisher = {mathdoc},
     volume = {43},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2014_43_a4/}
}