Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Nemytskii, V.V, y V.V Stepanov. Qualitative Theory of Differential Equations. Princeton: Princeton University Press, 1960.

Cita MLA (9a ed.)

Nemytskii, V.V, y V.V Stepanov. Qualitative Theory of Differential Equations. Princeton University Press, 1960.