@article{MS2_1991__68_1_167147,
     author = {E. Nummelin},
     title = {On the {Poisson} equation in the potential theory of a single kernel.},
     journal = {Mathematica Scandinavica},
     pages = {59--82},
     publisher = {mathdoc},
     volume = {68},
     number = {1},
     year = {1991},
     zbl = {0748.31012},
     url = {http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167147/}
}