@article{EXMA_2002__11_3_53262,
     author = {Okada, Kaoru},
     title = {Hecke eigenvalues for real quadratic fields.},
     journal = {Experimental mathematics},
     pages = {407--426},
     year = {2002},
     volume = {11},
     number = {3},
     zbl = {1117.11304},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2002__11_3_53262/}
}