MathSciNet bibliographic data MR2373617 57R85 (57R20 57R75) Pergher, Pedro L. Q. \$Z\sp 2\sb 2\$$Z\sp 2\sb 2$-actions with \$n\$$n$-dimensional fixed point set. Proc. Amer. Math. Soc. 136 (2008), no. 5, 1855–1860. Article

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