@article{10_1007_s10587_016_0309_3,
     author = {Mei, Yinzhen and Gao, Yubin and Shao, Yanling and Wang, Peng},
     title = {A new family of spectrally arbitrary ray patterns},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1049--1058},
     publisher = {mathdoc},
     volume = {66},
     number = {4},
     year = {2016},
     doi = {10.1007/s10587-016-0309-3},
     mrnumber = {3572922},
     zbl = {06674861},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0309-3/}
}