1. Achieser, N.I.: Theory of Approximation. New York: Frederick Ungar 1956
2. Bretagnolle, J., Castelle, D.D., Krivine, J.L.: Lois stables et espaces L p. Ann. Inst. H. Poincaré. Sect. B. 2, 231?259 (1966)
3. Cambanis, S.: Complex symmetric stable variables and processes. In: Contributions to Statistics: Essays in Honour of Norman L. Johnson, pp. 63?79. Sen, P.K., Ed. New York: North Holland 1982
4. Cambanis, S., Miller, G.: Linear problems in pth order and stable processes. SIAM J. Appl. Math. 41, 43?69 (1981)
5. Duren, P.L.: Theory of H p Spaces. New York: Academic Press 1970