TY - JOUR AU - Saff, E. B. AU - Sharma, A. AU - Varga, R. S. TI - An extension to rational functions of a theorem of J. L. Walsh on differences of interpolating polynomials JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 1981 SP - 371 EP - 390 VL - 15 IS - 4 PB - Centrale des revues, Dunod-Gauthier-Villars PP - Montreuil UR - https://geodesic-test.mathdoc.fr/item/M2AN_1981__15_4_371_0/ LA - en ID - M2AN_1981__15_4_371_0 ER -