APA (7th ed.) Citation

Bartsch, T. (1993). Topological methods for variational problems with symmetries. Lecture notes in mathematics. https://doi.org/10.1007/BFb0073859

Chicago Style (17th ed.) Citation

Bartsch, Thomas. "Topological Methods for Variational Problems with Symmetries." Lecture Notes in Mathematics 1993. https://doi.org/10.1007/BFb0073859.

MLA (9th ed.) Citation

Bartsch, Thomas. "Topological Methods for Variational Problems with Symmetries." Lecture Notes in Mathematics, 1993, https://doi.org/10.1007/BFb0073859.

Warning: These citations may not always be 100% accurate.