00274nam a2200109Ia 4500020001800000082001700018100002000035245003700055250001100092260003300103650002800136  a9780471599890  a530.15 KRE/A  aKreyszig, Erwin 0aAdvanced Engineering Mathematics  a7TH ED  bWiley & SonsaNew Yorkc1993  aEngineering Mathematics