%0 Journal Article %A I. P. Mityuk %T The symmetrization principle for multiply connected domains %J Doklady Akademii Nauk %D 1964 %P 268-270 %V 157 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_157_2_a6/ %G ru %F DAN_1964_157_2_a6