%0 Journal Article %A A. L. Treskunov %T Modulus of continuity of solutions of second-order elliptic equations on a~plane %J Matematičeskie zametki %D 1974 %P 139-148 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_15_1_a14/ %G ru %F MZM_1974_15_1_a14