Verhulst, F. (1990). Nonlinear differential equations and dynamical systems. Springer-Verlag.
शिकागो स्टाइल उद्धरणVerhulst, Ferdinand. Nonlinear Differential Equations and Dynamical Systems. New York: Springer-Verlag, 1990.
एमएलए उद्धरणVerhulst, Ferdinand. Nonlinear Differential Equations and Dynamical Systems. Springer-Verlag, 1990.
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