TY - JOUR AU - Hirose, Susumu TI - On diffeomorphisms over nonorientable surfaces standardly embedded in the 4–sphere JO - Algebraic and Geometric Topology PY - 2012 SP - 109 EP - 130 VL - 12 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.109/ DO - 10.2140/agt.2012.12.109 ID - 10_2140_agt_2012_12_109 ER -