@article{10_5427_jsing_2010_1e,
     author = {Gaiane Panina},
     title = {Singularities of piecewise linear saddle spheres on {S^3}},
     journal = {Journal of Singularities},
     pages = {69--84},
     publisher = {mathdoc},
     volume = {1},
     year = {2010},
     doi = {10.5427/jsing.2010.1e},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.1e/}
}