%0 Journal Article %A Gaiane Panina %T Singularities of piecewise linear saddle spheres on S^3 %J Journal of Singularities %D 2010 %P 69-84 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.1e/ %R 10.5427/jsing.2010.1e %F 10_5427_jsing_2010_1e