TY - JOUR AU - Beyl, F Rudolf AU - Waller, Nancy TI - A stably free nonfree module and its relevance for homotopy classification, case Q28 JO - Algebraic and Geometric Topology PY - 2005 SP - 899 EP - 910 VL - 5 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.899/ DO - 10.2140/agt.2005.5.899 ID - 10_2140_agt_2005_5_899 ER -