Cita APA

Petrovskii, I. G. (1973). Ordinary differential equations Dover.

Citación estilo Chicago

Petrovskii, I. G. Ordinary Differential Equations. Rev. English ed. New York: Dover, 1973.

Cita MLA

Petrovskii, I. G. Ordinary Differential Equations. Rev. English ed. New York: Dover, 1973.