GUTMAN, Ivan. Somborski indeks trnovitog grafa. Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 73, n. 2, p. 413–422, 2025. DOI: 10.5937/vojtehg73-56402. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/56402. Pristupljeno: 12 juli. 2026.