1. A remark on elimination of singularities for mappings of 4-manifolds into 3-manifolds;Akhmetev;Topology Appl,2003
2. On the elimination of Morin singularities;Ando;J. Math. Soc. Japan,1985
3. Erratum to ``On the elimination of Morin singularities''
4. On local structures of the singularities Ak, Dk and Ek of smooth maps;Ando;Trans. Amer. Math. Soc,1992
5. Singularities of Differentiable Maps, vol. I, The Classification of Critical Points, Caustics and Wave Fronts;Arnold,1985