The following publications are possibly variants of this publication:
- Recursive and Nonextendible Functions over the Reals; Filter Foundation for Recursive Analysis, IIIraj Kalantari, Lawrence Welch. APAL, 98(1-3):87-110, 1999.
- Recursive Quantum Functions, Avoidable Points, & Shadow Points in Recursive AnalysisIraj Kalantari, Larry Welch. ENTCS, 66(1):79-90, 2002. [doi]
- Recursive Constructions in Topological SpacesIraj Kalantari, Allen Retzlaff. JSYML, 44(4):609-625, 1979.