Cita APA (7th ed.)

Petrovski, I. G. (1966). Ordinary differential equations. Prentice-Hall.

Cita Chicago (17th ed.)

Petrovski, I. G. Ordinary Differential Equations. Englewood Cliffs: Prentice-Hall, 1966.

Cita MLA (9th ed.)

Petrovski, I. G. Ordinary Differential Equations. Prentice-Hall, 1966.