00757nam0-22002411i-450-990001147090403321000114709FED01000114709(Aleph)000114709FED0100011470920000920d--------km-y0itay50------baeng<<The >>approximation of continuous functions by positive linear operatorsby DevoreBerlin [etc.]Springer-VerlagLecture Notes in Mathematics293Devore,Ronald A.54899ITUNINARICAUNIMARCBK990001147090403321C-20-(29312844MA1MA1Approximation of continuous functions by positive linear operators81425UNINA