1. C.D. Aliprantis, O. Burkinshaw, Positive operators, Academic Press, New York, (1985).
2. G. Arango, J.A. López Molina, M.J. Rivera, Characterization of g∞,σ-integral operators, Math. Nach. 278(9) (2005), 995–1014.
3. A. Defant, K. Floret, Tensor norms and operator ideals, North Holland Math. Studies 176, Amsterdam (1993).
4. K. Floret, Natural norms on symmetric tensor products of normed spaces, Note di Matematica 17 (1997), 153–188.
5. K. Floret, S. Hunfeld, Ultrastability of ideals of homogeneous polynomials and multilinear mappings on Banach spaces, Proc. Amer. Math. Soc. 130(5) (2001), 1425–1435.