00801nam0-22002891i-450-99000120948040332120130508181141.00-273-08723-1000120948FED01000120948(Aleph)000120948FED0100012094820001205d1985----km-y0itay50------baengUSApproximation theory and applicationseditor S.P. SinghBoston [etc.]Pitman1985229 p.25 cmResearch notes in mathematics133Singh,Sankatha PrasadITUNINARICAUNIMARCBK990001209480403321C-2-(1331732MA1MA1Approximation theory and applications55318UNINA