Ize, J., Massabo, I., & Vignoli, A. (1992). Degree theory for equivariant maps, the general S1-action. American Mathemat. Soc.
Chicago Style (17th ed.) CitationIze, Jorge, Ivar Massabo, and Alfonso Vignoli. Degree Theory for Equivariant Maps, the General S1-action. Providence, RI: American Mathemat. Soc, 1992.
MLA (9th ed.) CitationIze, Jorge, et al. Degree Theory for Equivariant Maps, the General S1-action. American Mathemat. Soc, 1992.
Warning: These citations may not always be 100% accurate.