@UNPUBLISHED{publication1, title = "On Markov's Theorem on zeros of orthogonal polynomials revisited", author = "{CASTILLO, Kenier} and {COSTA, Marisa S.} and {RAFAELI, Fernando R.}", year = "2017-11-02", abstract = "This paper briefly surveys Markov\’s theorem related to zeros of orthogonal polynomials. Monotonicity of zeros of some families of orthogonal polynomials are reviewed in detail. ", url = "http://www.mat.uc.pt/preprints/eng\_2017.html", note = "" }