00317nam a2200109Ia 4500082002000000100004300020245006400063260003600127300000600163500000500169700003300174  a515.9bSa229.LT  aSansone, Giovanni and Gerretsen, Johan  aLectures on the theory of functions of a complex variableb  aNetherlandsbP. Noordhoffc1960  a   a  aGerretsen, Johan ; jt. auth.