TY - JOUR AU - E. G. Emel'yanov TI - A sewing theorem for quadratic differentials JO - Zapiski Nauchnykh Seminarov POMI PY - 2009 SP - 69 EP - 77 VL - 371 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2009_371_a5/ LA - ru ID - ZNSL_2009_371_a5 ER -