1. A.V. Buhvalov, Geometrical applications of the Kolmogorov-Nagumo’s theorem, “Qualitative and ap-proximate methods of the investigations of operator equations”, Jaroslavl’, 1983, pp. 18–29. (Russian).
2. H. König and L. Weis, On the eigenvalues of orderbounded integral operators, Integr. Eq. and Oper. Th. 6 (1983).
3. J.L. Krivine, Sous-espaces de dimension finie des espaces de Banach réticulés, Ann. of Math. 104 (1976), 1–29.
4. W.A.J. Luxemburg, On the measurability of a function which occurs in a paper by A.C. Zaanen, Proc. Netherl. Acad. Sci. (A) 61 (1958), 259–265.
5. W.A.J. Luxemburg, Addendum to “On the measurability of a function which occurs in a paper by A.C. Zaanen”, Proc. Netherl. Acad. Sci. (A) 66 (1963), 587–590.