Chow, S., Li, C., & Wang, D. (1994). Normal forms and bifurcation of planar vector fields. Cambridge University Press.
Chicago Style (17th ed.) CitationChow, Shui-Nee, Chengzhi Li, and Duo Wang. Normal Forms and Bifurcation of Planar Vector Fields. Cambridge: Cambridge University Press, 1994.
MLA (9th ed.) CitationChow, Shui-Nee, et al. Normal Forms and Bifurcation of Planar Vector Fields. Cambridge University Press, 1994.
Warning: These citations may not always be 100% accurate.