Kalaj, D., Markovic, M. and Mateljevic, M. 2013. Carathéodory and Smirnov type theorems for harmonic mappings of the unit disk onto surfaces. Annales Fennici Mathematici. 38, 2 (Aug. 2013), 565–580. DOI:https://doi.org/10.5186/aasfm.2013.3822.