TAS, Nihal; KAPLAN, Elif. Some fixed point theorems via γ-ψS -contractions on S-metric spaces. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 73, n. 3, p. 736–762, 2025. DOI: 10.5937/vojtehg73-56176. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/56176. Pristupljeno: 12 jul. 2026.