上同调运算q)])\\&=[K(\pi ,n),K(G,q)]\\&=H^{q}(K(\pi ,n);G).\end{aligned}}} 二阶上同调运算 Mosher, Robert E.; Tangora, Martin C., Cohomology operations and applications in homotopy
原女性主义2012. Web. 7 March 2013. Bridenthal, Renate; Koonz, Claudia; Stuard, Susan Mosher. Becoming Visible: Women in European History. Houghton Mifflin. 1987-01-01: