@article{JAC_2004__20_1_a3,
     author = {Thomas, Hugh},
     title = {The number of terms in the permanent and the determinant of a generic circulant matrix},
     journal = {Journal of Algebraic Combinatorics},
     pages = {55--60},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2004__20_1_a3/}
}