Cita APA (7a ed.)

Petrovsky, I. G. (1991). Lectures on partial differential equations. Dover.

Cita Chicago Style (17a ed.)

Petrovsky, Ivan Georgievich. Lectures on Partial Differential Equations. Nueva York: Dover, 1991.

Cita MLA (9a ed.)

Petrovsky, Ivan Georgievich. Lectures on Partial Differential Equations. Dover, 1991.