Brown, M.; Neumann, W. D. Proof of the Poincaré-Birkhoff fixed point theorem. (English) Zbl 0402.55001 Mich. Math. J. 24, 21-31 (1977). MSC: 55M20 54H25 57N05 PDFBibTeX XMLCite \textit{M. Brown} and \textit{W. D. Neumann}, Mich. Math. J. 24, 21--31 (1977; Zbl 0402.55001) Full Text: DOI
Neumann, Walter D. Generalizations of the Poincaré Birkhoff fixed point theorem. (English) Zbl 0372.54041 Bull. Aust. Math. Soc. 17, 375-389 (1977). MSC: 54H25 28D05 37C25 54H20 PDFBibTeX XMLCite \textit{W. D. Neumann}, Bull. Aust. Math. Soc. 17, 375--389 (1977; Zbl 0372.54041) Full Text: DOI