@Article{ MePaRaSc10, author = { Metafune, Giorgio and Pallara, Diego and Rabier, Patrick and Schnaubelt, Roland }, title = { Uniqueness for elliptic operators on $L^p({\bf R}^N)$ with ubounded coefficients }, journal = { Forum Math. }, year = { 2010 }, volume = { 22 }, pages = { 583-601 }, URL = { http://cvgmt.sns.it/paper/2554/ }, note = { cvgmt preprint} }