APA (7th ed.) Citation

Yanheng, D. (2007). Variational methods for strongly indefinite problems. World Scientific.

Chicago Style (17th ed.) Citation

Yanheng, Ding. Variational Methods for Strongly Indefinite Problems. Singapore: World Scientific, 2007.

MLA (9th ed.) Citation

Yanheng, Ding. Variational Methods for Strongly Indefinite Problems. World Scientific, 2007.

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