Opšta topologija (Serbian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Opšta topologija" in Serbian language version.

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archive.org

Merrifield, Richard E.; Simmons, Howard E. (1989). Topological Methods in Chemistry. New York: John Wiley & Sons. стр. 16. ISBN 0-471-83817-9. Приступљено 27. 7. 2012. „Definition. A collection B of subsets of a topological space (X,T) is called a basis for T if every open set can be expressed as a union of members of B.”

Armstrong, M. A. (1983). Basic Topology. Springer. стр. 30. ISBN 0-387-90839-0. Приступљено 13. 6. 2013. „Suppose we have a topology on a set X, and a collection $\beta$ of open sets such that every open set is a union of members of $\beta$ . Then $\beta$ is called a base for the topology...”

„What is geometric topology?”. math.meta.stackexchange.com. Приступљено 30. 5. 2018.

Sutherland, W. A. (1975). Introduction to metric and topological spaces. Oxford [England]: Clarendon Press. ISBN 0-19-853155-9. OCLC 1679102.