Childs, L. (1995). Concrete introduction to higher algebra.-2nded. (2nd ed.). Springer.
Chicago Style aipamenaChilds, Lindsay. Concrete Introduction to Higher Algebra.-2nded. 2nd ed. New York: Springer, 1995.
MLA aipamenaChilds, Lindsay. Concrete Introduction to Higher Algebra.-2nded. 2nd ed. Springer, 1995.
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