%0 Journal Article %T Addendum to An update on the classical and quantum harmonic oscillators on the sphere and the hyperbolic plane in polar coordinates %A C. Quesne %J Physics %D 2015 %I arXiv %X The classical and quantum solutions of a nonlinear model describing harmonic oscillators on the sphere and the hyperbolic plane, derived in polar coordinates in a recent paper [Phys.\ Lett.\ A 379 (2015) 1589], are extended by the inclusion of an isotonic term. %U http://arxiv.org/abs/1508.02221v1