A Necessary and Sufficient Condition for Palais-Smale Conditions

Cite this paper

@article{Chen1999ANA, title={A Necessary and Sufficient Condition for Palais-Smale Conditions}, author={Kuan-Ju Chen and Hwai-chiuan Wang}, journal={SIAM J. Math. Analysis}, year={1999}, volume={31}, pages={154-165} }