TY - JOUR AU - Cochran, Tim D AU - Harvey, Shelly AU - Leidy, Constance TI - Derivatives of knots and second-order signatures JO - Algebraic and Geometric Topology PY - 2010 SP - 739 EP - 787 VL - 10 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.739/ DO - 10.2140/agt.2010.10.739 ID - 10_2140_agt_2010_10_739 ER -