00471nam a2200181Ia 4500008004100000020001500041082001600056100002300072245003800095250000600133260004500139300000800184650001600192650001800208653002200226700002000248700002100268170901s1948    xx            000 0 und d  a0070108552  a517.8bC36C  aChurchill, Ruel V. 0aComplex Variables and Application  a3  aLondonbMcGraw Hill Kogakusha, Ltdc1948  a332  aMathematics  aPure Sciences  aComplex variables  aBrown, James W.  aVerhey, Roger F.