1. E. I. Gordon, “Real numbers in Boolean-valued models of set theory andK-spaces,” Soviet Math. Dokl.,18, No. 6, 1481–1484 (1978).
2. A. G. Kusraev and S. S. Kutateladze, Nonstandard Methods of Analysis, Kluwer, Dordrecht (1994).
3. È. Yu. Emel'yanov, “The order and regular hulls of Riesz spaces,” Siberian Math. J.,35, No. 6, 1101–1109 (1994).
4. E. Yu. Emel'yanov, “Infinitesimal analysis and vector lattices,” Siberian Adv. Math.,6, No. 1, 19–70 (1996).
5. S. A. Albeverio, J. F. Fenstad, R. J. Höegh-Krohn, and T. L. Lindström, Nonstandard Methods in Stochastic Analysis and Mathematical Physics, Academic Press (1986).