@article{10_4064_sm203_1_5,
     author = {Derek W. Robinson and Adam Sikora},
     title = {$L_1$-uniqueness of degenerate elliptic operators},
     journal = {Studia Mathematica},
     pages = {79--103},
     year = {2011},
     volume = {203},
     number = {1},
     doi = {10.4064/sm203-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm203-1-5/}
}