APA-čujuhus (7. p.)
De Mottoni, P., & Salvadori, L. (1981). Nonlinear differential equations: Invariance, stability, and bifurcation. Academic Pr.
Chicago-čujuhus (17. p.)
De Mottoni, Piero, juo Luigi Salvadori. Nonlinear Differential Equations: Invariance, Stability, and Bifurcation. New York: Academic Pr, 1981.
MLA-čujuhus (9. p.)
De Mottoni, Piero, juo Luigi Salvadori. Nonlinear Differential Equations: Invariance, Stability, and Bifurcation. Academic Pr, 1981.
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