巡回多元環
↑ Albert 1939, p. 74.
1 2 Кострикин 1996.
1 2 Jacobson 1996.
↑ Oggier, Belfiore & Viterbo 2007, p. 57.
↑ Hazewinkel, Michiel, ed. (2001), “Schur multiplicator”, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.encyclopediaofmath.org/index.php?title=Schur_multiplicator , Schur multiplier in nLab
↑ Hazewinkel, Michiel, ed. (2001), “Cross product”, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4, https://www.encyclopediaofmath.org/index.php?title=Main_Page
↑ Mikhalev, Aleksandr Vasilʹevich; Pilz, Günter, eds. (2002), The Concise Handbook of Algebra, Springer Science & Business Media, ISBN 9780792370727