Bartsch, T., & Li, S. (1997). Critical point theory for asymptotically quadratic functionals and applications to problems with resonance. Nonlinear analysis. Theory, methods & applications, 28(3), . https://doi.org/10.1016/0362-546X(95)00167-T
Chicago Style (17th ed.) CitationBartsch, Thomas, and Shujie Li. "Critical Point Theory for Asymptotically Quadratic Functionals and Applications to Problems with Resonance." Nonlinear Analysis. Theory, Methods & Applications 28, no. 3 (1997). https://doi.org/10.1016/0362-546X(95)00167-T.
MLA (9th ed.) CitationBartsch, Thomas, and Shujie Li. "Critical Point Theory for Asymptotically Quadratic Functionals and Applications to Problems with Resonance." Nonlinear Analysis. Theory, Methods & Applications, vol. 28, no. 3, 1997, https://doi.org/10.1016/0362-546X(95)00167-T.