Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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