%0 Journal Article %A Carlos Biasi %A Denise de Mattos %T A Non-standard Version of the Borsuk–Ulam Theorem %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2005 %P 111-119 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba53-1-10/ %R 10.4064/ba53-1-10 %G en %F 10_4064_ba53_1_10