Bartsch, T., & Clapp, M. (1994). Critical point theory for indefinite functionals with symmetries. Topologie und nichtkommutative Geometrie.
Chicago Style (17th ed.) CitationBartsch, Thomas, and Mónica Clapp. "Critical Point Theory for Indefinite Functionals with Symmetries." Topologie Und Nichtkommutative Geometrie 1994.
MLA (9th ed.) CitationBartsch, Thomas, and Mónica Clapp. "Critical Point Theory for Indefinite Functionals with Symmetries." Topologie Und Nichtkommutative Geometrie, 1994.
Warning: These citations may not always be 100% accurate.