Damek, E., Dziubanski, J., Jaming, P., & Pérez-Esteva, S. (2009). Distributions that are convolvable with generalized Poisson kernel of solvable extensions of homogeneous Lie groups. MATHEMATICA SCANDINAVICA, 105(1), 31–65. https://doi.org/10.7146/math.scand.a-15105