1. de Bakker, J. W., Kok, J. N.: Towards a Uniform Topological Treatment of Streams and Functions on Streams. In W. Brauer (Ed.): Proc. 12th ICALP. Lecture Notes in Computer Science 194, Springer — Verlag, 1985, 140–148
2. Lecture Notes in Mathematics;C. Castaing,1977
3. Hewitt, E., Stromberg, K.: Real and Abstract Analysis. Springer — Verlag, Berlin, 1969
4. Kelly, J.L.: General Topology. Van Nostrand Reinhold, New York, 1955
5. Landes, Th.: The Banach Fixed Point Principle in Uniform Spaces. Preprint, Department of Economics, University of Paderborn, Sept. 1986