publication venue for A Cohen type inequality for Gegenbauer-Sobolev expansions. 43:135-148. 2013 The Laguerre-Sobolev-Type Orthogonal Polynomials. Holonomic Equation And Electrostatic Interpretation. 41:95-131. 2011 On Polar Legendre Polynomials. 40:2025-2036. 2010