TY - JOUR AU - P. V. Danchev TI - Ulm–Kaplansky invariants of $S(KG)/G$ JO - Bulletin of the Polish Academy of Sciences. Mathematics PY - 2005 SP - 147 EP - 156 VL - 53 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ba53-2-4/ DO - 10.4064/ba53-2-4 LA - en ID - 10_4064_ba53_2_4 ER -