@article{ASNSP_2011_5_10_3_683_0,
     author = {Robinson, Derek W. and Sikora, Adam},
     title = {Markov uniqueness of degenerate elliptic operators},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {683--710},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 10},
     number = {3},
     year = {2011},
     mrnumber = {2905383},
     zbl = {1259.47026},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2011_5_10_3_683_0/}
}