Παραπομπή σε μορφή APA (7η εκδ.)

Kefi, K., & Al-Shomrani, M. M. (2026). Three weak solutions for double phase elliptic problem with indefinite weight. Mathematical Modelling & Control, 6(1), 1.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kefi, Khaled, και Mohammed M. Al-Shomrani. "Three Weak Solutions for Double Phase Elliptic Problem with Indefinite Weight." Mathematical Modelling & Control 6, no. 1 (2026): 1.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kefi, Khaled, και Mohammed M. Al-Shomrani. "Three Weak Solutions for Double Phase Elliptic Problem with Indefinite Weight." Mathematical Modelling & Control, vol. 6, no. 1, 2026, p. 1.