On orthogonal polynomials with respect to a class of differential operators. - Jorge Alberto Borrego Morell (Appl. Math. Comput., 2013)

Differential orthogonality: Laguerre and Hermite cases with applications. - Jorge Alberto Borrego Morell; Héctor Pijeira Cabrera (J. Approx. Theory, 2015)

An asymptotic expansion for a class of biorthogonal polynomials with respect to a measure on the unit circle. - Jorge Alberto Borrego Morell; Fernando R. Rafaeli (Appl. Math. Comput., 2017)