@article{10_2298_FIL2109047B,
     author = {Nat\'alia Bebiano and Jo\~ao Da Provid\^encia and Ilya Spitkovsky and Kenya Vazquez},
     title = {Kippenhahn curves of some tridiagonal matrices},
     journal = {Filomat},
     pages = {3047 },
     year = {2021},
     volume = {35},
     number = {9},
     doi = {10.2298/FIL2109047B},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2109047B/}
}