00294nam a2200109Ia 450000500170000000800410001708200200005810000200007824500370009826000400013530000090017520260205052732.0260111s9999||||xx |||||||||||||| ||und||  a620.0042  K889A  aKreyrzig, Erwin 0aAdvanced Engineering Mathematics  aNew yorkbJohn Wiley and sonsc1999  a1156