APA (7th ed.) Citation

Al-Humaidi, A. A., & unknown. (1999). The Inverse problem of the calculus of variations: An operator-theoritic study.

Chicago Style (17th ed.) Citation

Al-Humaidi, Abdulaziz Ahmad, and unknown. The Inverse Problem of the Calculus of Variations: An Operator-theoritic Study. 1999.

MLA (9th ed.) Citation

Al-Humaidi, Abdulaziz Ahmad, and unknown. The Inverse Problem of the Calculus of Variations: An Operator-theoritic Study. 1999.

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