@article{10_37236_4423,
     author = {Hiroshi Nozaki and Hirotake Kurihara},
     title = {A spectral equivalent condition of the {\(P\)-polynomial} property for association schemes},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {3},
     doi = {10.37236/4423},
     zbl = {1300.05331},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4423/}
}