@article{JIS_2008__11_2_a6,
     author = {Barry,  Paul},
     title = {A note on {Krawtchouk} polynomials and {Riordan} arrays},
     journal = {Journal of integer sequences},
     year = {2008},
     volume = {11},
     number = {2},
     zbl = {1152.33310},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2008__11_2_a6/}
}