%0 Journal Article %A V. V. Peller %T Applications of ultraproducts in operator theory. A~simple proof of E.~Bishop's theorem %J Zapiski Nauchnykh Seminarov POMI %D 1979 %P 230-240 %V 92 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1979_92_a13/ %G ru %F ZNSL_1979_92_a13