@article{JNSA_2016_9_1_a8,
     author = {Sintunavarat, Wutiphol},
     title = {The upper bound estimation for the spectral norm of \(r\)-circulant  and symmetric \(r\)-circulant matrices with the {Padovan} sequence },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {92-101},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2016},
     doi = {10.22436/jnsa.009.01.09},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.009.01.09/}
}