Richeson, D. S. (2008). Euler's gem: The polyhedron formula and the birth of topology. Princeton University Press.
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Chicago-čujuhus (17. p.)
Richeson, David S. Euler's Gem: The Polyhedron Formula and the Birth of Topology. Princeton, N.J.: Princeton University Press, 2008.
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MLA-čujuhus (9. p.)
Richeson, David S. Euler's Gem: The Polyhedron Formula and the Birth of Topology. Princeton University Press, 2008.
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