da Rocha Z.. On the second order differential equation satisfied by perturbed Chebyshev polynomials. J. Math. Anal.. 2016;7(1):53-69.Edit

da Rocha Z.. QD-algorithms and recurrence relations for biorthogonal polynomials. Journal of Computational and Applied Mathematics. 1999;107:53{72.Edit

[2016-4] da Rocha Z.. WOPA 2016 - Abstracts - Workshop on Orthogonal Polynomials and Applications .Edit

da Rocha Z.. Shohat-Favard and Chebyshev's methods in d-orthogonality. Numerical Algorithms. 1999;20:139-164.Edit

[2018-9] da Rocha Z, Maroni P, Brezinski C, Magnus A, Ismail M, Ben Cheikh Y, et al. Actividades Científicas de Pascal Maroni .Edit

da Rocha Z.. A general method for deriving some semi-classical properties of perturbed second degree forms: the case of the Chebyshev form of second kind. J. Comput. Appl. Math.. 2016;296 :677-689.Edit

[2017-22] da Rocha Z. On connection coefficients, zeros and interception points of some perturbed of arbitrary order of the Chebyshev polynomials of second kind .Edit

[2014-18] da Rocha Z.. Software PSDF - Perturbed Second Degree Forms - TUTORIAL .Edit

[2017-13] da Rocha Z.. Program and abstracts of WOPA-Porto-2017, Workshop on Orthogonal Polynomials and Applications .Edit

da Rocha Z.. Implementation of the recurrence relations of biorthogonality. Numerical Algorithms. 1992;3:173-183.Edit

[2010-7] Rocha Z. Symbolic implementation, in the Mathematica language, for deriving closed formulas for connection co .