- A. S. Davis, Indexed systems of neighborhoods for general topological spaces, Amer. Math. Monthly 68 (1961), 886–893. MR 214017, DOI 10.2307/2311686
- A. N. Kolmogorov and S. V. Fomin, Elements of the theory of functions and functional analysis. Vol. 1. Metric and normed spaces, Graylock Press, Rochester, N.Y., 1957. Translated from the first Russian edition by Leo F. Boron. MR 0085462 J. C. Mathews, Fixed point theorem for a contraction mapping in a regular developable space, Doctoral dissertation, Iowa State University, Ames, Iowa, 1959.
- © Copyright 1963 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 14 (1963), 981-985
- MSC: Primary 54.30
- DOI: https://doi.org/10.1090/S0002-9939-1963-0161323-4
- MathSciNet review: 0161323