TY - JOUR AU - Lisca, Paolo TI - Sums of lens spaces bounding rational balls JO - Algebraic and Geometric Topology PY - 2007 SP - 2141 EP - 2164 VL - 7 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.2141/ DO - 10.2140/agt.2007.7.2141 ID - 10_2140_agt_2007_7_2141 ER -