APA (7th ed.) Citation

Nemytskii, V. V., & Stepanov, V. V. (1960). Qualitative theory of differential equations. Princeton University Series.

Chicago Style (17th ed.) Citation

Nemytskii, Viktor Vladimirovich, and V. V. Stepanov. Qualitative Theory of Differential Equations. Princeton: Princeton University Series, 1960.

MLA (9th ed.) Citation

Nemytskii, Viktor Vladimirovich, and V. V. Stepanov. Qualitative Theory of Differential Equations. Princeton University Series, 1960.