Steen, L., & Seebach, J. J. (1978). Counter examples in topology.-2nd ed (2nd ed.). Springer.
Čikaški stil citiranjaSteen, L.A, i J.A. Jr Seebach. Counter Examples in Topology.-2nd Ed. 2nd ed. New York: Springer, 1978.
MLA način citiranjaSteen, L.A, i J.A. Jr Seebach. Counter Examples in Topology.-2nd Ed. 2nd ed. Springer, 1978.
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