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Suprunenko, D. A. (2001), “Skew-symmetric matrix”, in Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.encyclopediaofmath.org/index.php?title=Skew-symmetric_matrix
Aitken, A. C. (1944). “On the number of distinct terms in the expansion of symmetric and skew determinants.”. Edinburgh Math. Notes.