共 15 条
[1]
Caffarelli LA, 1997, AM J MATH, V119, P423
[5]
Cheng JR, 2023, CALC VAR PARTIAL DIF, V62, DOI 10.1007/s00526-023-02571-x
[6]
Gilbarg D., 1998, Elliptic Partial Differential Equations of Second Order