%0 Journal Article %A Jan Ratajski %T On the Betti numbers of the real part of a three-dimensional torus embedding %J Colloquium Mathematicum %D 1993 %P 59-64 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-64-1-59-64/ %R 10.4064/cm-64-1-59-64 %G en %F 10_4064_cm_64_1_59_64