Some results on quasi-monomiality. - Youssèf Ben Cheikh (Appl. Math. Comput., 2003)

Orthogonality of some polynomial sets via quasi-monomiality. - H. M. Srivastava 001; Youssèf Ben Cheikh (Appl. Math. Comput., 2003)

Linearization coefficients for Sheffer polynomial sets via lowering operators. - Youssèf Ben Cheikh; H. Chaggara (Int. J. Math. Math. Sci., 2006)

Characterization of the Dunkl-classical symmetric orthogonal polynomials. - Youssèf Ben Cheikh; M. Gaied (Appl. Math. Comput., 2007)

On Askey-scheme and d-orthogonality, I: A characterization theorem. - Youssèf Ben Cheikh; Imed Lamiri; Abdelwaheb Ouni (J. Comput. Appl. Math., 2009)

Laguerre polynomials as Jensen polynomials of Laguerre-Pólya entire functions. - Dimitar K. Dimitrov 001; Youssèf Ben Cheikh (J. Comput. Appl. Math., 2009)

A characterization of Dunkl-classical d-symmetric d-orthogonal polynomials and its applications. - Youssèf Ben Cheikh; M. Gaied (J. Comput. Appl. Math., 2011)

d-orthogonality of Little q-Laguerre type polynomials. - Youssèf Ben Cheikh; Imed Lamiri; Abdelwaheb Ouni (J. Comput. Appl. Math., 2011)

On d-symmetric classical d-orthogonal polynomials. - Youssèf Ben Cheikh; Neila Mezghani Ben Romdhane (J. Comput. Appl. Math., 2011)