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K. Castillo, R. Cruz-Barroso and F. Perdomo-Pío, “On a spectral theorem on paraorthogonality theory”, Pacific J. Math., 280 (2016), 327.347
K. Castillo, M. N. de Jesus and J. Petronilho, “On semiclassical orthogonal polynomials via polynomial mappings”, J. Math. Anal. Appl., 455 (2017), 1801-1821
K. Castillo and J. Petronilho, “Refined interlacing properties for zeros of paraorthogonal polynomials on the unit circle”, Proc. Amer. Math. Soc., 146 (2018), 3285-3294
