Sutherland, W. A. (1975). Introduction to metric and topological spaces. Clarendon Press.
Chicago-čujuhus (17. p.)Sutherland, Wilson Alexander. Introduction to Metric and Topological Spaces. Oxford: Clarendon Press, 1975.
MLA-čujuhus (9. p.)Sutherland, Wilson Alexander. Introduction to Metric and Topological Spaces. Clarendon Press, 1975.
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