00306nam a2200109Ia 450000500170000000800410001708200140005810000190007224500500009126000470014130000080018820260225051049.0260224s9999||||xx |||||||||||||| ||und||  a510.7 KRE  aErwin Kreyszig 0aAdvanced engineering mathematics 3rd edition   aIslamabad: National Book Foundation c1983  a939