%0 Journal Article %A Miloš Arsenović %A Miodrag Mateljević %T Modulus of continuity of normal derivative of a harmonic functions at a boundary point %J Filomat %D 2023 %P 8667 %V 37 %N 25 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2325667A/ %R 10.2298/FIL2325667A %G en %F 10_2298_FIL2325667A