STOJANOVIĆ, Vladica; KEVKIĆ, Tijana. HOMOTOPY PERTURBATIONS METHOD: THEORETICAL ASPECTS & APPLICATIONS. Bulletin of Natural Sciences Research , [S. l.], v. 8, n. 1, 2018. DOI: 10.5937/univtho8-17290. Dostupno na: https://asistent.ceon.rs/index.php/bnsr/article/view/17290. Pristupljeno: 12 jul. 2026.