APA (7th ed.) Citation

Yehia, H. (2011). New 2D integrable families with a quartic second invariant. Механика твердого тела.

Chicago Style (17th ed.) Citation

Yehia, H.M. "New 2D Integrable Families with a Quartic Second Invariant." Механика твердого тела 2011.

MLA (8th ed.) Citation

Yehia, H.M. "New 2D Integrable Families with a Quartic Second Invariant." Механика твердого тела, 2011.

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