... Serbia3Department of Mathematics,University of Turku, 20014 Turku, FinlandAuthors’ contributionsVM conceived of the study and participated in its design and coordination, MV and MA proved the main result. ... Lecture Notes in Mathematics. 229, Springer, Berlin(1971)3. Arsenović,M,Bo in, V, Manojlović, V: Moduli of continuity of harmonic quasiregular mappings in Bn. Potential Anal.34(3):283–291 (2011). ... domains(preprint, 1999).Arsenović et al. Journal of Inequalities and Applications 2011, 2011:37http://www.journalofinequalitiesandapplications.com/content/2011/1/37Page 4 of 58. Vuorinen,...