1. Foundations of Constructive Analysis;Bishop,1967
2. D. Bridges, Constructive mathematics: a foundation for computable analysis, Theoret. Comput. Sci. 219, 1999.
3. J. Cederquist, A pointfree approach to constructive analysis in type theory, Ph.D. Thesis, Göteborg University, 1997.
4. J. Chirimar, D.J. Howe, Implementing constructive real analysis: preliminary report, Proc. Constructivity in Computer Science, Lecture Notes in Computer Science, Springer, Berlin, Vol. 613, 1992.
5. A. Ciaffaglione, Certified reasoning on real numbers and objects in co-inductive type theory, Ph.D. Thesis, Dipartimento di Matematica e Informatica, Università di Udine, Italy and INPL-ENSMNS, Nancy, France, 2003.