%0 Journal Article %A S. R. Tlyusten %T Multivalent conformal mappings with a composite free boundary %J Doklady Akademii Nauk %D 1992 %P 28-31 %V 325 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_325_1_a4/ %G ru %F DAN_1992_325_1_a4