APA citáció

Raffoul Youssef N. (2007). Positive periodic solutions in neutral nonlinear differential equations.

Chicago Style (17th ed.) Citation

Raffoul Youssef N. Positive Periodic Solutions in Neutral Nonlinear Differential Equations. 2007.

MLA idézés

Raffoul Youssef N. Positive Periodic Solutions in Neutral Nonlinear Differential Equations. 2007.

Figyelem: ezek az hivatkozások nem 100%-ban pontosak..