1. Entire Functions;Boas,1954
2. Subnormal operators;Bram;Duke Math. J.,1955
3. Hilbert Spaces of Entire Functions;de Branges,1968
4. Meixner and Pollaczek spaces of entire functions;de Brances;J. Math. Anal. Appl.,1968
5. Charlier spaces of entire functions;de Branges,1969