%0 Journal Article %A A. V. Kazantsev %T The inner radius of a domain in a problem on the change of contours %J Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz %D 1990 %P 44-52 %V 7 %N 7 %U http://geodesic.mathdoc.fr/item/KUKTF_1990_7_7_a4/ %G ru %F KUKTF_1990_7_7_a4