1. Pick Interpolation and Hilbert Function Spaces;Agler,2002
2. Theory of reproducing kernels;Aronszajn;Trans. Amer. Math. Soc.,1950
3. A Course in Functional Analysis;Conway,1985
4. A proof of the Bieberbach conjecture;de Branges;Acta Math.,1985
5. Square Summable Power Series;de Branges,1966