S.M. Gusein-Zade

• Singularities of Differentiable Maps, Volume 1
• Singularities of differentiable maps
• Singularities of Differentiable Maps : Volume I
• Singularities of Differentiable Maps, Volume 2
• Singularities of Differentiable Maps
• Singularities of Differentiable Maps: Classification of Critical Points Caustics and Wave Fronts v. 1 (Monographs in Mathematics)