%0 Journal Article %A I. A. Aleksandrov %T About estimation of the curvature of level lines under conformal mappings %J Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika %D 2013 %P 5-7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTGU_2013_3_a0/ %G ru %F VTGU_2013_3_a0