1. Recherches sur les fractions continues
2. The Classical Moment Problem and Some Related Questions in Analysis;Akhiezer,1965
3. The Markov Moment Problem and Extremal Problems;Krein,1977
4. Toeplitz Forms and Their Applications;Grenander,1958
5. Generalized interpolation in H∞;Sarason;Trans. Am. Math. Soc.,1967