%0 Journal Article %A E. G. Emel'yanov %T On quadratic differentials in multiply connected domains that are perfect squares.~II %J Zapiski Nauchnykh Seminarov POMI %D 2007 %P 40-51 %V 350 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2007_350_a3/ %G ru %F ZNSL_2007_350_a3