Axler, Sheldon Jay. Harmonic function theory / Sheldon Axler, Paul Bourdon, Wade Ramey. - 2nd ed. - Springer, 2001. - xi, 259 p. : ill. ; 25 cm. - (Graduate texts in mathematics ; 137) . Includes bibliographical references (p. 249-250) and indexes. ISBN: 0387952187 Subjects--Topical Terms: Harmonic functions. Universal Decimal Class. No.: 517.5