%0 Journal Article %A Igor Khavkine %T Explicit Triangular Decoupling of the Separated Lichnerowicz Tensor Wave Equation on Schwarzschild into Scalar Regge–Wheeler Equations %J Symmetry, integrability and geometry: methods and applications %D 2022 %V 18 %U http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a10/ %G en %F SIGMA_2022_18_a10