%0 Journal Article %A E. G. Emel'yanov %T On quadratic differentials on multiply connected domains that are perfect squares %J Zapiski Nauchnykh Seminarov POMI %D 2006 %P 113-133 %V 337 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2006_337_a7/ %G ru %F ZNSL_2006_337_a7