TY - JOUR AU - A. B. Aleksandrov TI - A~simple proof of a~theorem of Volberg and Treil' concerning imbeddings for coinvariant subspaces of the shift operator JO - Zapiski Nauchnykh Seminarov POMI PY - 1994 SP - 26 EP - 35 VL - 217 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1994_217_a2/ LA - ru ID - ZNSL_1994_217_a2 ER -