A variational adiabatic hyperspherical finite element R matrix methodology: general formalism and application to H + H2 reactionM.N. Guimarães and F.V. PrudenteEur. Phys. J. D, 64 2-3 (2011) 287-296DOI: https://doi.org/10.1140/epjd/e2011-20227-8