Adamowicz, T. 2015. The geometry of planar p-harmonic mappings: convexity, level curves and the isoperimetric inequality. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE. 14, 1 (Mar. 2015), 263-292. DOI:https://doi.org/10.2422/2036-2145.201201_010.