%0 Journal Article %A María Ángeles García-Ferrero %A David Gómez-Ullate %A Robert Milson %T Exceptional Legendre Polynomials and Confluent Darboux Transformations %J Symmetry, integrability and geometry: methods and applications %D 2021 %V 17 %U http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a15/ %G en %F SIGMA_2021_17_a15