Szefliński, Błażej. “Why Did Stephen Nemanjić Ask for the Royal Crown in 1217? Or a New Interpretation of Serbian-Hungarian Relations in the Second and Third Decades of the 13th Century”. Średniowiecze Polskie I Powszechne, Sept. 2026, pp. 77-97, doi:10.31261/SPiP.2026.22.05.