@article{10_5427_jsing_2010_1a,
     author = {Osamu Saeki},
     title = {Special generic maps on open 4-manifolds},
     journal = {Journal of Singularities},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {1},
     year = {2010},
     doi = {10.5427/jsing.2010.1a},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.1a/}
}