@UNPUBLISHED{publication1, title = "On Laguerre-Hahn orthogonal polynomials on the real line", author = "{REBOCHO, Maria das Neves}", year = "2019-03-21", abstract = "A survey is given on sequences of orthogonal polynomials related to Stieltjes functions satisfying a Riccati type differential equation with polynomial coefficients - the so-called Laguerre-Hahn class. The main goal is to describe analytical aspects, focusing on differential equations for those orthogonal polynomials, difference and differential equations for the recurrence coefficients, and distributional equations for the corresponding linear functionals. ", url = "http://www.mat.uc.pt/preprints/eng\_2019.html", note = "" }