Orlicz-Sobolev inequalities and the Dirichlet problem for infinitely degenerate elliptic operators
Usman Hafeez, Theo Lavier, Lucas Williams, Lyudmila Korobenko. (2021) "Orlicz-Sobolev inequalities and the Dirichlet problem for infinitely degenerate elliptic operators." EJDE. No. 82, pp. 1-19