1. A uniqueness theorem for harmonic functions;Boas;J. Approx. Theory,1972
2. Grundlinier des wisserschaftlichen Rechrens;Bruns,1903
3. A representation formula for harmonic functions;Ching,1973
4. Theory of Hp Spaces;Duren,1970
5. Geometric Theory of Functions of a Complex Variable;Goluzin,1969