%0 Journal Article %A G. V. Zhidkov %T Boundary properties of differentiable and harmonic functions in regions containing salient points %J Doklady Akademii Nauk %D 1958 %P 225-227 %V 118 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a3/ %G ru %F DAN_1958_118_2_a3