@article{MAN_1992__293_4_164961,
     author = {M. Fukushima and N. Jacob and H. Kaneko},
     title = {On (r, 2)-capacities for a class of elliptic pseudo differential operators.},
     journal = {Mathematische Annalen},
     pages = {343--348},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0736.60070},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164961/}
}