%0 Journal Article %A Christiane Quesne %T Novel enlarged shape invariance property and exactly solvable rational extensions of the Rosen–Morse II and Eckart potentials %J Symmetry, integrability and geometry: methods and applications %D 2012 %V 8 %U http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a79/ %G en %F SIGMA_2012_8_a79