00338nam a2200121Ia 4500008004100000041000800041084001300049100002000062245005800082260004400140653001600184653001600200160808s1962    xx            000 0 eng d  aeng  aD(B)2CC  aKreyszig, Erwin  aAdvanced engineering mathematics /cby Erwin Kreyszig  aNew York :bJohn Wiley and Sons,c1962.  aEngineering  aMathematics