TY - JOUR AU - Nosaka, Takefumi TI - 4–fold symmetric quandle invariants of 3–manifolds JO - Algebraic and Geometric Topology PY - 2011 SP - 1601 EP - 1648 VL - 11 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1601/ DO - 10.2140/agt.2011.11.1601 ID - 10_2140_agt_2011_11_1601 ER -