TY - JOUR AU - Rack, Heinz-Joachim AU - Vajda, Robert TI - On Optimal Quadratic Lagrange Interpolation: Extremal Node Systems with Minimal Lebesgue Constant via Symbolic Computation JO - Serdica Journal of Computing PY - 2014 SP - 71 EP - 96 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJC_2014_8_1_a4/ LA - en ID - SJC_2014_8_1_a4 ER -