1. Resolvent operator, Padè approximation and bound states in potential scattering;Alabiso;Nuovo Cimento,1970
2. Variational principles and Padè approximants. Bound states in potential theory;Alabiso;Nucl. Phys. B,1971
3. Essentials of Padé Approximants;Baker,1975
4. Padé Approximants;Baker,1996
5. A taste of Padé approximantion;Brezinski;Acta Numer.,1995