Verhulst, F. (1989). Non-linear differential equations and dynamical systems. Springer- Verlag.
Chicago-stil citatVerhulst, Ferdinard. Non-linear Differential Equations and Dynamical Systems. New York: Springer- Verlag, 1989.
MLA-referensVerhulst, Ferdinard. Non-linear Differential Equations and Dynamical Systems. Springer- Verlag, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.