@incollection{AST_2003__284__245_0,
     author = {Morimoto, Yoshinori and Xu, Chao-Jiang},
     title = {Logarithmic {Sobolev} inequality and semi-linear {Dirichlet} problems for infinitely degenerate elliptic operators},
     booktitle = {Autour de l'analyse microlocale - Volume en l'honneur de Jean-Michel Bony},
     editor = {Lebeau Gilles},
     series = {Ast\'erisque},
     pages = {245--264},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {284},
     year = {2003},
     mrnumber = {2003422},
     zbl = {1096.35048},
     language = {en},
     url = {http://www.numdam.org/item/AST_2003__284__245_0/}
}