APA (7th ed.) Citation

Abu-Sarris, R., & Yousef, H. (2001). Existence theorems for boundary value problems in difference equations. Journal of difference equations and applications, 7(2), 255-263. https://doi.org/10.1080/10236190108808272

Chicago Style (17th ed.) Citation

Abu-Sarris, Ragheb, and Hasan Yousef. "Existence Theorems for Boundary Value Problems in Difference Equations." Journal of Difference Equations and Applications 7, no. 2 (2001): 255-263. https://doi.org/10.1080/10236190108808272.

MLA (9th ed.) Citation

Abu-Sarris, Ragheb, and Hasan Yousef. "Existence Theorems for Boundary Value Problems in Difference Equations." Journal of Difference Equations and Applications, vol. 7, no. 2, 2001, pp. 255-263, https://doi.org/10.1080/10236190108808272.