APA (7th ed.) Citation

Dumortier, F. (1978). Singularities of vector fields. IMPA.

Chicago Style (17th ed.) Citation

Dumortier, Freddy. Singularities of Vector Fields. Rio de Janeiro, Brazil: IMPA, 1978.

MLA (9th ed.) Citation

Dumortier, Freddy. Singularities of Vector Fields. IMPA, 1978.

Warning: These citations may not always be 100% accurate.