Bibliografia

Principal

• M. Hirsh (1976) Differential Topology Springer Verlag
• J. Milnor (1965) Topology from the Differentiable Viewpoint The University Pree of Virginia
• J. Milnor (1963) Morse Theory Princeton University Press
• V. Guillemin, A. Polack (1974) Differential Topology Printice-Hall, Inc.
• P. Duarte (2019) Notas de Topologia Diferencial Available at the course Moodle' site

Secundária

• M. Morse (1995) Pits, Peaks and Passes MAA Video