@article{GDZPPN002362953, title = {On Singularities of Smooth Maps to a Space with a Fixed Cone.}, journal = {Mathematica Scandinavica}, volume = {77}, year = {1995}, pages = {19-44}, zbl = {0848.58006}, url = {http://dml.mathdoc.fr/item/GDZPPN002362953} }
Shapiro, B.Z. On Singularities of Smooth Maps to a Space with a Fixed Cone.. Mathematica Scandinavica, Tome 77 (1995) pp. 19-44. http://gdmltest.u-ga.fr/item/GDZPPN002362953/