Villadsen, J. (1978). Solution of differential equation models. Prentice-Hall of India.
Čikaški stil citiranjaVilladsen, John. Solution of Differential Equation Models. N J: Prentice-Hall of India, 1978.
MLA način citiranjaVilladsen, John. Solution of Differential Equation Models. Prentice-Hall of India, 1978.
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