Nemyt︠s︡kiĭ, V. V., & Stepanov, V. V. (1960). Qualitative Theory of Differential Equations. Princeton University Press.
Style de citation Chicago (17e éd.)Nemyt︠s︡kiĭ, V. V., et V. V. Stepanov. Qualitative Theory of Differential Equations. Princeton, N.J.: Princeton University Press, 1960.
Style de citation MLA (8e éd.)Nemyt︠s︡kiĭ, V. V., et V. V. Stepanov. Qualitative Theory of Differential Equations. Princeton University Press, 1960.
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