Chinn, W. G., & Steenrod, N. E. (1966). First concepts of topology: The geometry of mappings of segments, curves, circles, and disks. Mathematical Association of America.
Παραπομπή σε μορφή Chicago (17η εκδ.)Chinn, William G., και Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. [Washington, D.C.]: Mathematical Association of America, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)Chinn, William G., και Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. Mathematical Association of America, 1966.
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