%0 Journal Article %A Denega, I. V. %A Targonskii, A. L. %D 2017 %F zu2:26205 %I НАН України %J Збірник праць інституту математики НАН України %N 1 %P 147-155 %T Separating transformation in a problem on extremal decomposition of the complex plane %U http://eprints.zu.edu.ua/26205/ %V 14 %X The paper is devoted to investigation of the problems of geometric function theory of a complex variable. A general problem of the description of extremal configurations maximizing the product of the inner radii of mutually non-overlapping domains is studied.