APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.