= Algebraic Topology by Allen Hatcher
{c}
{tag=Work by Allen Hatcher}
{title2=copyright 2002}
{title2=978-0-521-79540-1}
By <Allen Hatcher>.
Publisher: Cambridge University Press.
Online text: https://math.uchicago.edu/~farb/algtop2023/Hatcher.pdf
The inspected PDF carries copyright 2002; the publisher front matter separately records first publication in 2001 and a fourteenth printing in 2015.
Cited passages: Algebraic Topology, §2.2, p. 146, definition of Euler characteristic and Theorem 2.44; Algebraic Topology, §2.2, p. 146, homotopy-type independence immediately before Theorem 2.44.
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