@article{ASNSP_2012_5_11_4_789_0,
     author = {Li, Wei-Xi},
     title = {Global hypoellipticity and compactness of resolvent for {Fokker-Planck} operator},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {789--815},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 11},
     number = {4},
     year = {2012},
     mrnumber = {3060700},
     zbl = {1261.35046},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2012_5_11_4_789_0/}
}