TY - JOUR AU - E. G. Emel'yanov TI - On quadratic differentials in multiply connected domains that are perfect squares.~II JO - Zapiski Nauchnykh Seminarov POMI PY - 2007 SP - 40 EP - 51 VL - 350 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2007_350_a3/ LA - ru ID - ZNSL_2007_350_a3 ER -