Flanigan F.J. Complex Variables: Harmonic and Analytic Functions

Dover, 1983. - 384 pages.The text covers enough material for an advanced undergraduate or first-year graduate course. Contents include calculus in the plane; harmonic functions in the plane; analytic functions and power series; singular points and Laurent series; and much more. Many fine illustrations illuminate the text, along with numerous problems and solutions. 1972 edition.