TY - JOUR AU - V. V. Peller TI - Applications of ultraproducts in operator theory. A~simple proof of E.~Bishop's theorem JO - Zapiski Nauchnykh Seminarov POMI PY - 1979 SP - 230 EP - 240 VL - 92 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1979_92_a13/ LA - ru ID - ZNSL_1979_92_a13 ER -