@article{SLC_2001-2002_47_a2,
     author = {Toufik Mansour and Alek Vainshtein},
     title = {Restricted {Permutations} and {Chebyshev} {Polynomials}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {47},
     year = {2001-2002},
     url = {http://geodesic.mathdoc.fr/item/SLC_2001-2002_47_a2/}
}