Tu, P. N. V. (1994). Dynamical systems: An introduction with applications in economics and biology (2nd rev. ed.). Berlin: Springer.
Παραπομπή Chicago StyleTu, Pierre N. V. Dynamical Systems: An Introduction With Applications in Economics and Biology. 2nd rev. ed. Berlin: Springer, 1994.
Παραπομπή MLATu, Pierre N. V. Dynamical Systems: An Introduction With Applications in Economics and Biology. 2nd rev. ed. Berlin: Springer, 1994.
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