Chow, S., Li, C., & Wang, D. (1994). Normal forms and bifurcation of planar vector fields. University Press.
Citace podle Chicago (17th ed.)Chow, Shui-Nee, Chengzhi Li, a Duo Wang. Normal Forms and Bifurcation of Planar Vector Fields. Cambridge: University Press, 1994.
Citace podle MLA (9th ed.)Chow, Shui-Nee, et al. Normal Forms and Bifurcation of Planar Vector Fields. University Press, 1994.
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