Lv11
50 积分 2023-11-02 加入
A SymmetricMountain Pass Lemma and Its Application to an Equation for a Class of Quasilinear Elliptic Operators in a Variable Exponent Sobolev Space
5小时前
求助中
Periodic solutions of singular Duffing equations under one-sided Lipschitz condition
4个月前
已完结