00450nam a2200157Ia 4500003000400000005001700004008004100021020001800062082001200080100005200092245004000144260003800184300001300222350000800235655004900243SNU20150610143458.0120327s9999    xx            000 0 und d  a9780486425641  a515 GEL  aGelfand, I. M. aGlagoleva, E. G.aShnol, E. E.  aFunctions and GraphscI. M. Gelfand  bDover PublicationaNew Yorkc2002  av; 105p.  a465  bMathematicsbFunctions and GraphsbQuadratic