TY - JOUR AU - Jan Ratajski TI - On the Betti numbers of the real part of a three-dimensional torus embedding JO - Colloquium Mathematicum PY - 1993 SP - 59 EP - 64 VL - 64 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-64-1-59-64/ DO - 10.4064/cm-64-1-59-64 LA - en ID - 10_4064_cm_64_1_59_64 ER -