关于泛函P(x,t,u,uк)=|▽u|2+2Z(t)F(u)的极大值原理
관우범함P(x,t,u,uк)=|▽u|2+2Z(t)F(u)적겁대치원리
The Maximum Principle of the Function P(x,t,u,uк)=|▽u|2+2Z(t)F(u)