1. On the Shannon theory of information transmission in the case of continuous signals;Kolmogorov;IRE Trans. Infom. Theory,1956
2. ϵ-Entropy and ϵ-capacity of sets in functional spaces;Kolmogorov;Amer. Math. Soc. Transl.,1961
3. Generalized Functions IV, Applications of Harmonic Analysis;Gelfand,1964
4. Leçons d'Analyse Fonctionelle;Riesz,1952
5. Distribution of Zeros of Entire Functions;Levin;Amer. Math. Soc. Monogr. Transl. Providence,1964