Golubitsky, M., & Gullemin, V. (1973). Stable mappings and their singularities. Springer-Verlag.
Cita Chicago (17th ed.)Golubitsky, Martin, i V. Gullemin. Stable Mappings and Their Singularities. Nueva York: Springer-Verlag, 1973.
Cita MLA (9th ed.)Golubitsky, Martin, i V. Gullemin. Stable Mappings and Their Singularities. Springer-Verlag, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.