与广义Baouendi-Grushin算子相关的二阶退化椭圆方程的Hopf型引理
여엄의Baouendi-Grushin산자상관적이계퇴화타원방정적Hopf형인리
THE HOPF TYPE LEMMA OF DEGENERATE ELLIPTIC EQUATIONS PERTINENT TO THE GENERALIZED BAOUENDI-GRUSHIN OPERATORS
저자의 최근 논문