00802nam0-22002771i-450-99000045276040332120090212100743.0000045276FED01000045276(Aleph)000045276FED0100004527620020821d1970----km-y0itay50------baenga-------101yyApproximation theoryproceedings of a Symposium held at Lancaster, July 1969edited by A. TalbotLondon ; New YorkAcademic Press1970356 p.ill.25 cmTeoria dell'approssimazioneCongressi519.8Talbot,AlanITUNINARICAUNIMARCBK99000045276040332110 PRO 547176DINELDINELUNINA