01277cam0-22003971i-450-99000119396040332120071123102710.0000119396FED01000119396(Aleph)000119396FED0100011939620001205d1970----km-y0itay50------baengrumDEy-------001yyBest approximation in normed linear spaces by elements of linear subspacesby Ivan SingerBerlinSpringer-Verlag1970415 p.24 cm<<Die >>Grundlehren der mathematischen Wissenschaften1712001Cea mai bunà aproximare in spatii vectoriale normate prin elemente din subspatii vectoriale34996Approssimazioni515.7Singer,Ivan334747ITUNINARICAUNIMARCBK99000119396040332109 037-092815/LDINAEC-28-(1719681MA102 22 D 61274FINBN6-F-2811109MA1DINAEFINBNMA141A50Cea mai buna aproximare în spatii vectoriale normate prin elemente din subspatii vectoriale34996UNINA