VUJAKOVIĆ, Jelena; RADENOVIĆ, Stojan. On some F - contraction of Piri–Kumam–Dung–type mappings in metric spaces. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 68, n. 4, p. 697–714, 2020. DOI: 10.5937/vojtehg68-27385. Dostupno na: https://test.aseestant.ceon.rs/index.php/vtg/article/view/27385. Pristupljeno: 20 sep. 2026.