00329nam a2200121 a 450000500170000002000150001708200220003210000200005424500580007425000080013226000420014030000250018220251203091959.0  a0471599891  a510.2462,bD, kre  aKreyszig, Erwin  aAdvanced engineering mathematics, Erwin Kreyszig, eng  a7th  aNew York, John Wiley & Sons, USc1993  axvii, 1271p.c24 cm.