@article{10_37236_2004,
     author = {Francis N. Castro and Luis A. Medina},
     title = {Linear recurrences and asymptotic behavior of exponential sums of symmetric {Boolean} functions},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {2},
     doi = {10.37236/2004},
     zbl = {1250.11102},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2004/}
}