%0 Journal Article %A Claudia Maria Chanu %A Giovanni Rastelli %T Block-Separation of Variables: a Form of Partial Separation for Natural Hamiltonians %J Symmetry, integrability and geometry: methods and applications %D 2019 %V 15 %U http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a12/ %G en %F SIGMA_2019_15_a12