@article{10_2140_agt_2012_12_109,
     author = {Hirose, Susumu},
     title = {On diffeomorphisms over nonorientable surfaces standardly embedded in the 4{\textendash}sphere},
     journal = {Algebraic and Geometric Topology},
     pages = {109--130},
     year = {2012},
     volume = {12},
     number = {1},
     doi = {10.2140/agt.2012.12.109},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2012.12.109/}
}