pid type title authors mentors source_title published_date url doi isbn issn eissn pmf:1657 dissertation "Analogna kozmologija u relativističkim fluidima" "Tolić, Dijana" pmf:1703 dissertation "Field theoretical models of nonsingular compact objects" "Marunović, Anja" pmf:1752 dissertation "Hawkingovo zračenje, W algebre i anomalije" "Smolić, Ivica"